JSF 1.2 and JSF 2.0 Tag Library and API - Javadoc

It's useful for JSF development:

Javadoc - JSF 1.2 Tag Library
http://download.oracle.com/docs/cd/E17802_01/j2ee/javaee/javaserverfaces/1.2_MR1/docs/tlddocs/index.html

Javadoc - JavaServer Faces API
http://download.oracle.com/docs/cd/E17802_01/j2ee/javaee/javaserverfaces/1.2_MR1/docs/api/index.html

Javadoc - JSF 2.0 Tag Library
http://download.oracle.com/javaee/6/javaserverfaces/2.0/docs/pdldocs/facelets/

Tags from the book Core JavaServer Faces by David Geary and Cay Horstmann
http://www.horstmann.com/corejsf/jsf-tags.html