diff --git a/convert-anystyle-data/anystyle-to-tei.ipynb b/convert-anystyle-data/anystyle-to-tei.ipynb
index 108166246c5fba99fbeb51f5f957626d676f5bae..0db2104b30eb2341864456cc82cb96d34763b131 100644
--- a/convert-anystyle-data/anystyle-to-tei.ipynb
+++ b/convert-anystyle-data/anystyle-to-tei.ipynb
@@ -7,7 +7,6 @@
     "\n",
     "References: \n",
     "- https://www.tei-c.org/release/doc/tei-p5-doc/en/html/CO.html#COBI (Overview)\n",
-    "- https://www.tei-c.org/release/doc/tei-p5-doc/en/html/CO.html#COBIOT (Mapping to other bibliographic formats)\n",
     "- https://www.tei-c.org/release/doc/tei-p5-doc/en/html/ref-bibl.html (`<bibl>`)\n",
     "- https://www.tei-c.org/release/doc/tei-p5-doc/en/html/ref-biblStruct.html (`biblStruct`)\n",
     "- https://epidoc.stoa.org/gl/latest/supp-bibliography.html (Examples)\n",
@@ -69,7 +68,7 @@
   {
    "cell_type": "markdown",
    "source": [
-    "This generates JSON data with information on the tags used, extracting from the schema and from the documentation pages"
+    "This generates JSON data with information on the tags used, extracting from the schema and from the documentation pages."
    ],
    "metadata": {
     "collapsed": false
diff --git a/convert-anystyle-data/anystyle-to-txt.ipynb b/convert-anystyle-data/anystyle-to-txt.ipynb
index 766ff0617dc8dff5560db3df4876c0ed03cb37a4..d213968cd7a4da1f43ed86896e00e815f3dc0ad6 100644
--- a/convert-anystyle-data/anystyle-to-txt.ipynb
+++ b/convert-anystyle-data/anystyle-to-txt.ipynb
@@ -1,14 +1,16 @@
 {
  "cells": [
   {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "initial_id",
+   "cell_type": "markdown",
+   "source": [
+    "# Convert AnyStyle GT back to original strings\n",
+    "\n",
+    "The AnyStyle format is easily converted to the original raw reference string by simply stripping all XML tags."
+   ],
    "metadata": {
-    "collapsed": true
+    "collapsed": false
    },
-   "outputs": [],
-   "source": "# Convert AnyStyle GT back to original strings"
+   "id": "1d998503d27b0be9"
   },
   {
    "metadata": {
@@ -60,7 +62,7 @@
    "cell_type": "code",
    "outputs": [],
    "execution_count": null,
-   "source": "",
+   "source": [],
    "id": "f55d360989a07f5d"
   }
  ],
diff --git a/convert-anystyle-data/tei-to-bibformats.ipynb b/convert-anystyle-data/tei-to-bibformats.ipynb
index b971668d52117cae74664f9e12bca6c5c94f385f..8b0d7e4f9d93c0e0e8e2bce9e136a6bd1765df8c 100644
--- a/convert-anystyle-data/tei-to-bibformats.ipynb
+++ b/convert-anystyle-data/tei-to-bibformats.ipynb
@@ -4,7 +4,12 @@
    "metadata": {},
    "cell_type": "markdown",
    "source": [
-    "# Convert the generated TEI to bibliographic formats\n"
+    "# Convert the generated TEI to bibliographic formats\n",
+    "\n",
+    "References:\n",
+    "  - https://www.tei-c.org/release/doc/tei-p5-doc/en/html/CO.html#COBIOT (Mapping of TEI to other bibliographic formats)\n",
+    "  - https://github.com/OpenArabicPE/convert_tei-to-bibliographic-data (XSLT for conversion of bibl/biblStruct to MODS)\n",
+    "  - https://www.loc.gov/standards/mods/mods-conversions.html (XSLT for conversion of MODS to other formats)  "
    ],
    "id": "2cdf8ba1eefa38e0"
   },
diff --git a/convert-anystyle-data/tei-to-prodigy.ipynb b/convert-anystyle-data/tei-to-prodigy.ipynb
index 355c629029284a3210e06814ae8359fb267a1a7f..500e2ff5acf493335732cbea05967a7e825d5236 100644
--- a/convert-anystyle-data/tei-to-prodigy.ipynb
+++ b/convert-anystyle-data/tei-to-prodigy.ipynb
@@ -6,9 +6,12 @@
    "source": [
     "# Convert TEI files to the Prodigy format\n",
     "\n",
-    "Uses https://github.com/standoff-nlp/standoffconverter and https://spacy.io/\n",
+    "This notebook converts the TEI/bibl annotations to a JSON format which can be imported into prodigy annotation tool.\n",
     "\n",
-    "based on https://github.com/standoff-nlp/standoffconverter/blob/master/examples/tei-spacy-tei.ipynb"
+    "Resources:\n",
+    " - https://github.com/standoff-nlp/standoffconverter \n",
+    " - https://spacy.io\n",
+    " - https://github.com/standoff-nlp/standoffconverter/blob/master/examples/tei-spacy-tei.ipynb"
    ],
    "id": "cb631197c03a0768"
   },
@@ -66,7 +69,7 @@
    "cell_type": "code",
    "outputs": [],
    "execution_count": null,
-   "source": "",
+   "source": [],
    "id": "f67a3774493ffd9"
   }
  ],