[Alexander et al.]Alexander, et al. A Pattern Language. Oxford, 1977.
An inspiration for many people in the patterns movement. I’m less enamored of it than most, but it’s worth looking at to understand an approach that so many draw so much from.
[Alpert et al.]Alpert, Brown and Woolf. Design Patterns Smalltalk Companion. Addison-Wesley, 1998.
Little known outside the Smalltalk community, this book expands and explains many of the classic patterns.
[Alur et al.]Alur, Crupi, and Malks. Core J2EE Patterns: Best Practices and Design Strategies. Prentice Hall, 2001.
One of the new wave of patterns books that put new life into the form. Although the patterns are expressed specifically for the J2EE platform, most also make sense in other ...