R3

Creating Lotus Notes Applications - Lisa Pyle
Lotus Notes Developer's Guide: Developer's Guide - Eric Rayl
Mastering Lotus Notes - Kevin Brown, Kenyon Brown, Kyle Brown
Database Development in Lotus Notes: Logical Operations - Susan L. Reber
Lotus Notes® Application Development Handbook - Erica Kerwien
Lotus Notes 3 Revealed! - David Gewirtz
Lotus Notes 3 Secrets - Judith Jalbert, Thaddeus Bouchard
Developing Lotus Notes Applications (Wiley Professional Computing)- for Lotus Notes 3.0 - Carolyn Kraut
Using Lotus Notes - Mark Schulman