Classics in the History of Psychology
The web site for primary sources in the history of psychology. This site by Christopher Green at York University contains many full-text articles and books by older psychologists. The entire text of James's Principles of Psychology is available here.
An extensive site by Frank Pajares of Emory University with links to many of James's writings and a good photogallery. The place to begin James studies on the web.
The archive of the Society for Gestalt Theory and its Applications
This archive contains many useful full-text articles by the Gestalt psychologists Wertheimer, Koffka, Köhler, Metzger, Duncker, Henle, and Lewin. Max Wertheimer's 1924 lecture Gestalt Theory is a good place to begin.
A quick summary of Gestalt psychology
This precis by Mike Marshall's graduate seminar in History and Systems of Psychology gets right to the point, although the first sentence is false! The rest of the site is of interest also. Click onto their home page here.
The Mead Project: George's Page
History of Psychology Full text from 1998 on available in PsycARTICLES
American Psychologist Full text from 1987 on available in PsycARTICLES
History of the Human Sciences Full text available in EBSCOHost
Journal of the History of the Behavioral Sciences
The official APA Style Guide with plenty of examples.