diff --git a/text/letters/E010003/D0100051.xml b/text/letters/E010003/D0100051.xml
index 87ebeb66a319faeca1920dd78b70a8286ecfc282..589a392228a623c6382c606956abf01d9d769a5a 100644
--- a/text/letters/E010003/D0100051.xml
+++ b/text/letters/E010003/D0100051.xml
@@ -71,8 +71,8 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800079">Federhofer 1985</ref>, S.&#8239;77</bibl>
-                            <bibl><ref target="#E0800103">Bent et&#8239;al. 2014</ref>: 9&#8239;f.</bibl>
+                            <bibl><ref target="#E0800079"/>, S.&#8239;77</bibl>
+                            <bibl><ref target="#E0800103"/>: 9&#8239;f.</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100052.xml b/text/letters/E010003/D0100052.xml
index 7ed2bdf11dd734a49cfaf020112069e5ae525baf..be0a39cac67b1e5c4db864a6fec52d55624e5a10 100644
--- a/text/letters/E010003/D0100052.xml
+++ b/text/letters/E010003/D0100052.xml
@@ -142,7 +142,7 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800103">Bent et al. 2014</ref>, S.&#8239;9 f.</bibl>
+                            <bibl><ref target="#E0800103"/>, S.&#8239;9 f.</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100054.xml b/text/letters/E010003/D0100054.xml
index 8afefcffe6fd78897b59809d13501eec7e9b2ba7..ba23295eae9df399f0683d6997469d498089d638 100644
--- a/text/letters/E010003/D0100054.xml
+++ b/text/letters/E010003/D0100054.xml
@@ -71,8 +71,8 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800079">Federhofer 1985</ref>, S.&#8239;80 [nicht vollständig abgedruckt]</bibl>
-                            <bibl><ref target="#E0800103">Bent et&#8239;al. 2014</ref>, S.&#8239;11&#8239;f.</bibl>
+                            <bibl><ref target="#E0800079"/>, S.&#8239;80 [nicht vollständig abgedruckt]</bibl>
+                            <bibl><ref target="#E0800103"/>, S.&#8239;11&#8239;f.</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100055.xml b/text/letters/E010003/D0100055.xml
index 423bd8bcf19a505f2b390f3908ad507ed8444e90..2cc75be7466919f900d7c7cb12e3df19ab767684 100644
--- a/text/letters/E010003/D0100055.xml
+++ b/text/letters/E010003/D0100055.xml
@@ -70,8 +70,8 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800079">Federhofer 1985</ref>, S. 78</bibl>
-                            <bibl><ref target="#E0800103">Bent et al. 2014</ref>, S.&#8239;12</bibl>
+                            <bibl><ref target="#E0800079"/>, S. 78</bibl>
+                            <bibl><ref target="#E0800103"/>, S.&#8239;12</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100057.xml b/text/letters/E010003/D0100057.xml
index 9caea48bfdfb684fb138bf0060041501971b9240..0e71715d9a530471ce7fbe918309d999d3041341 100644
--- a/text/letters/E010003/D0100057.xml
+++ b/text/letters/E010003/D0100057.xml
@@ -70,7 +70,7 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800079">Federhofer 1985</ref>, S.&#8239;78</bibl>
+                            <bibl><ref target="#E0800079"/>, S.&#8239;78</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100058.xml b/text/letters/E010003/D0100058.xml
index 2abc1a5b9ad9dc9a645b110974c1f3a8c625ef57..73d0960ed9f035f5a4078fadb0f9cf7d4c4336e9 100644
--- a/text/letters/E010003/D0100058.xml
+++ b/text/letters/E010003/D0100058.xml
@@ -71,8 +71,8 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800079">Federhofer 1985</ref>, S.&#8239;79</bibl>
-                            <bibl><ref target="#E0800103">Bent et&#8239;al. 2014</ref>, S.&#8239;13&#8239;f.</bibl>
+                            <bibl><ref target="#E0800079"/>, S.&#8239;79</bibl>
+                            <bibl><ref target="#E0800103"/>, S.&#8239;13&#8239;f.</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100059.xml b/text/letters/E010003/D0100059.xml
index 005a0dc4422a633a9c84757169b08cfb9d4abb8d..60e09081c1315d95e4fa449bf59f3f3faaf3b10a 100644
--- a/text/letters/E010003/D0100059.xml
+++ b/text/letters/E010003/D0100059.xml
@@ -147,7 +147,7 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800103">Bent et al. 2014</ref>, S.&#8239;12 f.</bibl>
+                            <bibl><ref target="#E0800103"/>, S.&#8239;12 f.</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100060.xml b/text/letters/E010003/D0100060.xml
index 839fa17aa6ade9d5a1269cf94b77605a0fbdaa8e..8c65bfb7454ba07226a1392979c5600fed4fb65f 100644
--- a/text/letters/E010003/D0100060.xml
+++ b/text/letters/E010003/D0100060.xml
@@ -149,7 +149,7 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800103">Bent et al. 2014</ref>, S.&#8239;14</bibl>
+                            <bibl><ref target="#E0800103"/>, S.&#8239;14</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100061.xml b/text/letters/E010003/D0100061.xml
index e89e02c92c0a8f6640aa0cb6197e7cae2c96168e..1b715602f5b629c574d314c5959d4790228d11e0 100644
--- a/text/letters/E010003/D0100061.xml
+++ b/text/letters/E010003/D0100061.xml
@@ -71,8 +71,8 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800079">Federhofer 1985</ref>, S.&#8239;79&#8239;f.</bibl>
-                            <bibl><ref target="#E0800103">Bent et&#8239;al. 2014</ref>, S.&#8239;14&#8239;f.</bibl>
+                            <bibl><ref target="#E0800079"/>, S.&#8239;79&#8239;f.</bibl>
+                            <bibl><ref target="#E0800103"/>, S.&#8239;14&#8239;f.</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100062.xml b/text/letters/E010003/D0100062.xml
index 4f5f5bf42dae93baffe19f561752b318b5ddda57..c2da593ffc0210c21cf11ea25c438346e1915bb9 100644
--- a/text/letters/E010003/D0100062.xml
+++ b/text/letters/E010003/D0100062.xml
@@ -133,7 +133,7 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800103">Bent et al. 2014</ref>, S.&#8239;15 f.</bibl>
+                            <bibl><ref target="#E0800103"/>, S.&#8239;15 f.</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100063.xml b/text/letters/E010003/D0100063.xml
index 9f1f9c709761499bdcada560da7cdad313b1f0fa..cfa2000fffac8cc933fa40b3d7cb6f5b19962f4e 100644
--- a/text/letters/E010003/D0100063.xml
+++ b/text/letters/E010003/D0100063.xml
@@ -126,7 +126,7 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800103">Bent et al. 2014</ref>, S.&#8239;15</bibl>
+                            <bibl><ref target="#E0800103"/>, S.&#8239;15</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100064.xml b/text/letters/E010003/D0100064.xml
index c0e73e6b4c984df1b7a2cc47fe3bf40f88959b8e..903fc9a4fd9cc5eb28c0325571a13855167871ae 100644
--- a/text/letters/E010003/D0100064.xml
+++ b/text/letters/E010003/D0100064.xml
@@ -71,7 +71,7 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800079">Federhofer 1985</ref>, S.&#8239;81&#8239;f.</bibl>
+                            <bibl><ref target="#E0800079"/>, S.&#8239;81&#8239;f.</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100065.xml b/text/letters/E010003/D0100065.xml
index eb8bc7ea4b35d5f95b71356d4d0724b492028393..bb268e69ebf34e0a09630345d362f576203be771 100644
--- a/text/letters/E010003/D0100065.xml
+++ b/text/letters/E010003/D0100065.xml
@@ -143,7 +143,7 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800103">Bent et al. 2014</ref>, S.&#8239;18 f.</bibl>
+                            <bibl><ref target="#E0800103"/>, S.&#8239;18 f.</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100066.xml b/text/letters/E010003/D0100066.xml
index e2eeaaff18206ccc7d5cdec7bb5f080fc8cc889e..af65ca3717a652a163ce59cb01fc97d09557e395 100644
--- a/text/letters/E010003/D0100066.xml
+++ b/text/letters/E010003/D0100066.xml
@@ -70,8 +70,8 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800079">Federhofer 1985</ref>, S. 80 f.</bibl>
-                            <bibl><ref target="#E0800103">Bent et al. 2014</ref>, S.&#8239;20 f.</bibl>
+                            <bibl><ref target="#E0800079"/>, S. 80 f.</bibl>
+                            <bibl><ref target="#E0800103"/>, S.&#8239;20 f.</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100069.xml b/text/letters/E010003/D0100069.xml
index df9f2f4b3b0a1ee74be5b460a81e7da111055bd6..e20dc946d94cf9f03bb3971276179c8c88214351 100644
--- a/text/letters/E010003/D0100069.xml
+++ b/text/letters/E010003/D0100069.xml
@@ -131,7 +131,7 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800103">Bent et al. 2014</ref>, S.&#8239;22</bibl>
+                            <bibl><ref target="#E0800103"/>, S.&#8239;22</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100070.xml b/text/letters/E010003/D0100070.xml
index bfe878d62c1fbb9f03c1d8833bcd6cc4aab3e3af..efa42844de2926a4fc10929499a63d1751d9e3a0 100644
--- a/text/letters/E010003/D0100070.xml
+++ b/text/letters/E010003/D0100070.xml
@@ -71,8 +71,8 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800079">Federhofer 1985</ref>, S.&#8239;82&#8239;f.</bibl>
-                            <bibl><ref target="#E0800103">Bent et&#8239;al. 2014</ref>, S.&#8239;20</bibl>
+                            <bibl><ref target="#E0800079"/>, S.&#8239;82&#8239;f.</bibl>
+                            <bibl><ref target="#E0800103"/>, S.&#8239;20</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100071.xml b/text/letters/E010003/D0100071.xml
index 9be3bfa5bea001bc00c056518d642d9d68858df5..afd31f46ed025bf69c73a45ff9c8677d0f8a33b7 100644
--- a/text/letters/E010003/D0100071.xml
+++ b/text/letters/E010003/D0100071.xml
@@ -86,7 +86,7 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800103">Bent et al. 2014</ref>, S. 24</bibl>
+                            <bibl><ref target="#E0800103"/>, S. 24</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100072.xml b/text/letters/E010003/D0100072.xml
index 1de523bb306a715585fb39c708316922e1f320a1..d44f355c8662f639d09b9a098ad90e2dd88ddf41 100644
--- a/text/letters/E010003/D0100072.xml
+++ b/text/letters/E010003/D0100072.xml
@@ -86,7 +86,7 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800103">Bent et al. 2014</ref>, S. 23</bibl>
+                            <bibl><ref target="#E0800103"/>, S. 23</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100075.xml b/text/letters/E010003/D0100075.xml
index f3899f221f493a7911a805c0530bd93e62deb6ca..303ffb76b9c753ec3b2ee563f324af8c8a3b2b9f 100644
--- a/text/letters/E010003/D0100075.xml
+++ b/text/letters/E010003/D0100075.xml
@@ -138,7 +138,7 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800103">Bent et&#8239;al. 2014</ref>, S.&#8239;32</bibl>
+                            <bibl><ref target="#E0800103"/>, S.&#8239;32</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100077.xml b/text/letters/E010003/D0100077.xml
index c1f5abd73267950410076fed7d95d06cb2e4fb7a..6f4bcacc1f8d0b752e689c4a1c0a6ebeace10557 100644
--- a/text/letters/E010003/D0100077.xml
+++ b/text/letters/E010003/D0100077.xml
@@ -72,7 +72,7 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800079">Federhofer 1985</ref>, S.&#8239;82</bibl>
+                            <bibl><ref target="#E0800079"/>, S.&#8239;82</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100079.xml b/text/letters/E010003/D0100079.xml
index f5dd826d8b99dfe81e04dcb6cbb672b63be9839a..99a5c3ba6352901b762425bbc75be2e10247467c 100644
--- a/text/letters/E010003/D0100079.xml
+++ b/text/letters/E010003/D0100079.xml
@@ -70,8 +70,8 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800079">Federhofer 1985</ref>, S.&#8239;82 f.</bibl>
-                            <bibl><ref target="#E0800103">Bent et al. 2014</ref>, S. 35</bibl>
+                            <bibl><ref target="#E0800079"/>, S.&#8239;82 f.</bibl>
+                            <bibl><ref target="#E0800103"/>, S. 35</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100080.xml b/text/letters/E010003/D0100080.xml
index 671f783e468ac63821bcb720eb09e15bd349b67d..3f7c81ba7a2a518ca2c1387d39f8fe286e1bb4b3 100644
--- a/text/letters/E010003/D0100080.xml
+++ b/text/letters/E010003/D0100080.xml
@@ -82,7 +82,7 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800103">Bent et al. 2014</ref>, S. 36</bibl>
+                            <bibl><ref target="#E0800103"/>, S. 36</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100081.xml b/text/letters/E010003/D0100081.xml
index 7022ba47b7bec24c6767a180b7f519942cc43d56..e193f3b37c6608628298680eff6b596f8ad5ddb3 100644
--- a/text/letters/E010003/D0100081.xml
+++ b/text/letters/E010003/D0100081.xml
@@ -81,7 +81,7 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800103">Bent et al. 2014</ref>, S. 36 f.</bibl>
+                            <bibl><ref target="#E0800103"/>, S. 36 f.</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/letters/E010003/D0100082.xml b/text/letters/E010003/D0100082.xml
index 841f9d51d069f57d9c27255dc239739bb1f29694..d43bc7e39f9b6f5f109c2b298de5130ed6253e84 100644
--- a/text/letters/E010003/D0100082.xml
+++ b/text/letters/E010003/D0100082.xml
@@ -70,8 +70,8 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800079">Federhofer 1985</ref>, S. 83</bibl>
-                            <bibl><ref target="#E0800103">Bent et al. 2014</ref>, S. 37 f.</bibl>
+                            <bibl><ref target="#E0800079"/>, S. 83</bibl>
+                            <bibl><ref target="#E0800103"/>, S. 37 f.</bibl>
                         </listBibl>
                     </additional>
                 </msDesc>
diff --git a/text/writings/E010004/D0200001.xml b/text/writings/E010004/D0200001.xml
index c26925258725c405618ffa5b6db89c1f151bb157..3994da9a1f7a05c37425eccda592eefc107753c8 100644
--- a/text/writings/E010004/D0200001.xml
+++ b/text/writings/E010004/D0200001.xml
@@ -115,7 +115,7 @@
                     </history>
                     <additional>
                         <listBibl>
-                            <bibl><ref target="#E0800045">Weindel 2001</ref></bibl>
+                            <bibl><ref target="#E0800045"/></bibl>
                         </listBibl>
                     </additional>
                 </msDesc> 
diff --git a/text/writings/E010004/D0200002.xml b/text/writings/E010004/D0200002.xml
index 2cd0f45171aa2b63c87b935b1ddd2d68cf095057..165a239e29a1dfd1f8d6cb5e20315f0f79abf0f4 100644
--- a/text/writings/E010004/D0200002.xml
+++ b/text/writings/E010004/D0200002.xml
@@ -129,7 +129,7 @@
                     <additional>
                         <listBibl>
                             <bibl>
-                                <ref target="#E0800045">Weindel 2001</ref>
+                                <ref target="#E0800045"/>
                             </bibl>
                         </listBibl>
                     </additional>
diff --git a/text/writings/E010004/D0200003.xml b/text/writings/E010004/D0200003.xml
index 4b5071d4490f608dd7aa80ccb97baae77ccf3864..db83deed05fb113caaf974b390cd8e53af0e2f4b 100644
--- a/text/writings/E010004/D0200003.xml
+++ b/text/writings/E010004/D0200003.xml
@@ -104,10 +104,10 @@
                     <additional>
                         <listBibl>
                             <bibl>
-                                <ref target="#E0800043">Stuckenschmidt 1974</ref>
+                                <ref target="#E0800043"/>
                             </bibl>
                             <bibl>
-                                <ref target="#E0800139">Bungardt 2014</ref>
+                                <ref target="#E0800139"/>
                             </bibl>
                         </listBibl>
                     </additional>