diff --git a/README.md b/README.md
index b7cf136..62e1ba4 100644
--- a/README.md
+++ b/README.md
@@ -85,6 +85,9 @@ where:
 * https://lug.fh-swf.de/vim/vim-bash/StyleGuideShell.en.pdf
 * https://www.thegeekstuff.com/2010/06/bash-array-tutorial/
 * https://www.distributednetworks.com/linux-network-admin/module4/ephemeral-reserved-portNumbers.php
+* https://github.com/community-scripts/ProxmoxVE/tree/main/install
+* https://github.com/community-scripts/ProxmoxVE/tree/main/misc
+* https://faculty.cs.niu.edu/~hutchins/csci480/signals.htm
 
 ## License