R4

Lotus Notes 4 Administrator's Survival Guide - Andrew Dahl, Leslie Lesnick
Lotus Notes Network Design: For Notes Release 3 and 4 (McGraw-Hill Series on Computer Communications) - John P. Lamb, Peter W. Lew
Lotus Notes: The Complete Reference - Barbara A. Bolin, R. Benjamin Ordonez, Ben Crdonez, Ben Ordonez
Lotus Notes Release 4 in a Multiplatform Environment - IBM Redbooks
PC Magazine Guide to Lotus Notes for Systems Administrators - Jeffrey Kovel
Lotus Notes 4 Unleashed - Randall A. Tamura
Mastering Lotus Notes 4 - Kenyon Brown, Kyle Brown, Francois Koutchouk, Kevin Brown
PC Week Guide to Lotus Notes Release 4 - Eric Mann, Gerry Litton
Passport Lotus Notes Client, Maintenance
Lotus Notes 4.X & Lotus Domino 4.5 - Raul Nogales