diff --git a/pubs/dec/pdp11/other/README.md b/pubs/dec/pdp11/other/README.md
index 9b38c2cd7..56f36bd76 100644
--- a/pubs/dec/pdp11/other/README.md
+++ b/pubs/dec/pdp11/other/README.md
@@ -9,5 +9,6 @@ DEC PDP-11 Assorted Handbooks
 
 PDPjs development and testing relied on the following PDP-11 publications:
 
+- [PDP-11 Paper Tape Software Handbook (1976)](http://archive.pcjs.org/pubs/dec/pdp11/other/PDP11_Paper_Tape_Software_Handbook_1976.pdf)
 - [PDP-11 Peripherals Handbook (1976)](http://archive.pcjs.org/pubs/dec/pdp11/other/PDP11_Peripherals_Handbook_1976.pdf)
 - [PDP-11 Software Handbook (1978)](http://archive.pcjs.org/pubs/dec/pdp11/other/PDP11_Software_Handbook_1978.pdf)