diff --git a/third-party b/third-party
index e69de29..2807c13 100644
--- a/third-party
+++ b/third-party
@@ -0,0 +1,8 @@
+All files except rope.sml (written by me) were genereated from the repository below.
+https://github.com/josephg/editing-traces/tree/master/sequential_traces
+
+The files in that repository are all licensed under CC BY 4.0, except for the Automerge edit trace which was taken from the below repository, where I do not see a license.
+https://github.com/automerge/automerge-perf/
+
+rope.sml is licensed under the Zero Clause BSD license described at the link below.
+https://landley.net/toybox/license.html