This is the little book that started the patterns movement:
[ALX] Christopher
Alexander. The Timeless Way of Building.
This is my favorite reference for enterprise patterns:
[FOW-1] Martin
Fowler. Patterns of
An analysis pattern is a collaboration that appears in many domain models. Here's an example:
[FOW-2] Martin
Fowler. Analysis Patterns: Reusable
Object Models. Addison-Wesley,
Here is the original pattern catalog for software engineers:
[Go4] Erich
Gamma, Richard helm, Ralph Johnson, and John Vlissides. Design Patterns, Elements of Reusable Object-Oriented Software.
Addison Wesley,
This is my favorite catalog:
[POSA] Frank
Buschmann, Regine Meunier, Hans Rohnert, Peter Sommerlad, and Michael Stal. Pattern Oriented Software Architecture: A
System of Patterns. Wiley.
It's also easy to find patterns on the web.