This collection houses notes, correspondence, legal transcripts, supporting legal cases, newspaper clippings, and books documenting the White Caps organization and membership.

This collection contains a variety of primary source information documenting the organization. This information can be found in Series I-V: Correspondence, Photographs, Notes and Papers, Newspaper Articles, and Court Records.

Series V: Court Records houses records relating to trials of White Caps operatives, specifically Bob Catlett, Pleas Wynn, and Catlett Tipton. These records include chronologies, transcripts, opinions issued, and relevant legislation.

This collection also contains secondary source material regarding the White Caps. Chief among these sources are the books and articles contained in Series VI: Publications which provide considerable background information about the organization.