Scope and Contents Collection contains the Constitution and By-Laws of The Honor Society of Sigma Lambda Alpha. This honor society is for the profession of landscape architecture and was established at the University of Minnesota.

Scope and Contents Collection contains the professional papers of Charles L. Leider, Professor and Director, Landscape Architecture Program, Horticulture & Landscape Architecture Department. Publications, master plans, OSU Landscape program self-evaluations and other documents.

Scope and Contents Collection contains slide of landscapes of gardens around the world. Slides used in classes taught by Professor Paul Mitchel. Landscape drawings by Dr. Leider and students.

Scope and Contents Collection contains brochures, newsletters, self-study reports, and faculty and student research and projects of the Department of Horticulture and Landscape Architecture at Oklahoma State University. Also includes photographs, slides, and negatives. Issues of the bulletins of the Oklahoma Pecan Growers Association and the Northern Nut Growers Association are also included.