diff --git a/doc/README.md b/doc/README.md
index 3c497764..f38c4e8a 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -1,18 +1,31 @@
 ## Documentation
 
+### System
+
 - ITS: [intro](info/intro.29), [primer](_info_/its.primer),
-  [building](kshack/build.doc),  
   [Getting Started Computing at the AI Lab](ai_wp_235.pdf)
 - DDT: [manual](info/ddt.33), [commands](_info_/ddtord.1462),
   [colon commands](_info_/ddt.:cmnds)
+
+### Tools
+
+- TCTYP: [manual](_info_/tctyp.order)
+- CRTSTY: [manual](info/crtsty.39)
+- FIND: [manual](info/find.13)
+- DIRED: [manual](_info_/dired.info), [commands](_info_/dired.order)
+
+### Programming
+
 - MIDAS: [manual](info/midas.25)
-- DUMP: [manual](_info_/dump.info), [format](sysdoc/dump.format)
+- PDP-10: [instructions](info/pdp-10.15)
+- LISP: [manual](info/lisp.15), [compiler](info/lispc.6)
 - TECO: [primer](_teco_/teco.primer), [manual](info/tecman.20),
   [commands](_teco_/tecord.1132)
-- EMACS: [manual](emacs1/emacs.guide), [info](info/emacs.147)
-- CRTSTY: [manual](info/crtsty.39)
-- TCTYP: [manual](_info_/tctyp.order)
-- DSKDUMP: [commands](sysdoc/dskdmp.order)
-- FIND: [manual](info/find.13)
-- DIRDEV: [manual](_info_/dir.order)
-- DSKUSE: [manual](info/dskuse.10)
+- EMACS: [manual](emacs1/emacs.guide), [info](info/emacs.147),
+  [TECO programming in EMACS](info/conv.85)
+
+### Maintenance
+
+- PDSET: [manual](sysdoc/pdset.info)
+- DUMP: [manual](_info_/dump.info), [format](sysdoc/dump.format)
+- DSKDMP: [commands](sysdoc/dskdmp.order)