Links for Materials
There are so many types of materials and each subject requires different types of materials. Also, more exists for some subjects and time periods than others. For example, in the most ancient art, men are the only human subjects and no records were kept, so it would be difficult to add information about women because there is likely none.
Before beginning, determine what type of material might be available for the subject being researched.
There are so many places to find cultural and local materials, they could not all be listed. Here is a start:
Cultural Archives
Harvard Latin American Pamphlets
Digital Library of the Caribbean
Local archives online
State archives online
National and International Archives
Digital Public Library of America
Project Gutenberg: Free e-books
Women's Issues Archives
Women's Knowledge Digital Library