Universal Teacher
Moore's Teacher Resources: Of Mice and Men
An excellent site from the UK. Extensive review of characterizations and themes, along with information on structure and setting.
Library of Congress
Loc: Teachers: The Grapes of Wrath
A Library of Congress lesson on "The Grapes of Wrath," through which students discover how cultural artifacts from the book support its themes and see connections "between the social, cultural, and literary contexts of literature."
C-SPAN
C Span American Writers: The Grapes of Wrath
A brief summary of The Grapes of Wrath by John Steinbeck. Does not include an on-line text of the work but does provide links to informational websites.