diff --git a/README.md b/README.md
index 52b30dc..35e7a05 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,14 @@
 # eh22-patterns
 
-Cross stitch patterns for the EH22 workshop
\ No newline at end of file
+Cross stitch patterns for the EH22 workshop
+
+All patterns [CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/) [@rhandos@chaos.social](https://chaos.social/@rhandos), 2025
+
+except "Progress Pride" by [Snailfishesstitches](https://de.pinterest.com/pin/157626055707560221/)
+
+* "EH22 Logo" based on original design by [kritzl](https://kzl.sh/), [traumweh](https://lyx.sh/) & [Schrottkatze](https://chaos.social/@schrottkatze), [CC BY-SA 4.0](https://git.hamburg.ccc.de/EH22/design-public/src/branch/main/dist/LICENSE), 2025
+* "Fairydust" based on original design by Tim Pritlove & Marten Suhr, 1999 and sculpture by Hasso Jahns, 2003
+* "Pesthörnchen" based on original design by [Reinhard Schrutzki](https://web.archive.org/web/20080201222943/http://www.schrutzki.net/bilder/grafik/pesthorn), 1990
+* "Progress pride" based on original design by Daniel Quasar, 2018
+* "Nonbinary flag" based on original design by Kye Rowans, 2014
+* "Transgender flag" based on original design by Monica Helms, 1999
\ No newline at end of file