diff --git a/README.md b/README.md
index ed69b2f..a063a2b 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,7 @@
 Yet Another BootLoader, OS Kernel and Other stuff
+
+Includes code from:
+* https://github.com/mit-pdos/xv6-public
+* https://github.com/FRosner/FrOS
+* https://github.com/dhavalhirdhav/LearnOS
+* https://wiki.osdev.org