The Elements of UML Style
- Tips and techniques for creating effective UML models.
- http://www.ambysoft.com/books/elementsUMLStyle.html

Building Object Applications that Work
- A step-by-step handbook for developing robust systems using object technology. (Scott W. Ambler)
- http://www.ambysoft.com/books/buildingObjectApplications.html

UML Book Reviews
- A UML book reviews on Unified Modeling Language, object oriented and design pattern. (by Visual Paradigm)
- http://umlcenter.visual-paradigm.com/LinksBookReviews.html

UML Book List
- A large UML Book List. (by Visual Paradigm for UML)
- http://umlcenter.visual-paradigm.com/LinksBooks.html

Use Case Driven Object Modeling with UML: A Practical Approach
- Presents an approach to UML modeling that includes a minimal set of diagrams and techniques to get from use cases to code quickly. By Doug Rosenberg and Kendall Scott, Addison-Wesley.
- http://www.iconixsw.com/UMLBook.html

UML in a Nutshell
- The Unified Modeling Language (UML), for the first time in the history of systems engineering, gives practitioners a common language. This concise quick reference explains how to use each component of the language, including its extension mechanisms and t
- http://www.oreilly.com/catalog/umlnut/