--- a/bib	Thu Jul 12 12:27:18 2012 +0200
+++ b/bib	Thu Jul 12 14:16:27 2012 +0200
@@ -128,7 +128,10 @@
 %T MH & xmh: Email for Users & Programmers
 %D 1995
 %I O'Reilly
-%O \fU http://\:rand-mh.sourceforge.net/\:book/
+%O An updated version of the book (now named \fIMH & nmh\fP) is
+freely available on the Internet:
+\fUhttp://\:rand-mh.sourceforge.net/\:book/\fP\|.
+The latest update happened in May 2006.
 %K mh book
 
 %A Morris I. Bolsky
@@ -218,7 +221,7 @@
 %A Phyllis H. Kantar
 %T The Design of the MH Mail System
 %S A RAND Note
-%V N-3017-IRIS
+%G N-3017-IRIS
 %D December 1989
 %I The RAND Corporation
 
@@ -254,3 +257,25 @@
 %P 128\(en137
 %O \s-1ISBN\s0: 978-0-8330-4513-3
 \fU http://\:www.rand.org/\:pubs/\:corporate_pubs/\:2008/\:RAND_CP537.pdf
+
+%T An AJPO User's Guide for MH, the Rand Message Handling System
+%V Version 1.1
+%A Sara E. Moss
+%A Purvis M. Jackson
+%D September 1988
+%I Carnegie Mellon University
+%G CMU/SEI-88-UG-1, ESD-TR-88-030
+%O \fU http://\:www.dtic.mil/\:dtic/\:tr/\:fulltext/\:u2/\:a204635.pdf
+
+%T MH for Beginners
+%A Mary Hegardt
+%A Tim Morgan
+%D April 12 1990
+%O \fU http://\:git.savannah.gnu.org/\:cgit/\:nmh.git/\:plain/\:docs/\:historical/\:beginners.pdf
+
+%T The Rand MH Message Handling System: Tutorial
+%A Marshall T. Rose
+%A Jerry N. Sweet
+%D May 21 1986
+%O \fU http://\:git.savannah.gnu.org/\:cgit/\:nmh.git/\:plain/\:docs/\:historical/\:tutorial.pdf
+