* link:https://github.com/jobreu/tidyverse-workshop-gesis-2019[Workshop on "Data Wrangling & Exploration with the Tidyverse in R" at GESIS 2019] from Johannes Breuer, Stefan Jünger and Thomas Ebel
* link:https://notes.jan-oliver-ruediger.de/korpora/[Collection from Jan Oliver Rüdiger]
* https://polmine.github.io/corpora/[Collection of PolMine]
=== Literature collections
* link:MethodsList[See MethodsList#References]
* link:https://training.gesis.org/?site=pDetails&pID=0xD9F2C2F5FFFF41EA8FE58E63CAAF6778&lang=de_DE[created by Andreas Niekler and Gregor Wiedemann (after click on "Literaturempfehlungen")]