Scope and Contents From the Collection: Collection contains 4-H brochures, newsletters, Members’ Guides, Leaders’ Guides, Members’ Manuals, Projects, Target Program Guides, Target Leaders’ Guides, general manuals, banquet and event programs, administrative files, photographs, slides, audio and visual tapes. Most materials pertain specifically to Oklahoma 4-H, but the collection also contains materials and publications of National 4-H programs.