diff --git a/README.md b/README.md
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@@ -28,5 +28,14 @@
   - close the terminal
 3. open the first Jupyter Notebook and install package if needed
 
-## Lesson 1 - Web Resources
-This notebooks gives an introduction how to us data sources from the internet.
+## Part 1 - Web Resources
+This notebooks gives an introduction how to us data sources from the internet using the [`requests`](https://requests.readthedocs.io/en/latest/) library.
+
+## Part 2 - XML Data
+Parsing and analysis of TEI-XML data using [`lxml`](https://lxml.de/) library.
+
+## Part 3 - CSV Data
+Analysis of spreadsheets with [`pandas`](https://pandas.pydata.org/) data frames.
+
+## Part 4 - Image Data
+Manipulation of images with [`Pillow`](https://python-pillow.org/) and object detection using [`ultralytics`](https://www.ultralytics.com/)
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