Contains photographs of Betty Zane Grey Grosso with her first husband, Bob Carney, and consists predominantly of pictures of her as a teenager and with horses. It also contains photographs of her in the ground of the Altadena, California home, her daughter, Michele, and grandchild dating from 1920 to 1980.

This series contains 76 black and white photographs of Zane Grey and his family, Claire Wilhelm and various other women on expeditions with Zane Grey, and scenes from Zane Grey movies dating from approximately 1900 to 1956.

This subseries contains photographs and postcards of Zane Grey, his siblings, Ellsworth, R. C. and Ida Grey, his wife, Lina Elise Grey, his children, Romer, Betty Zane and Loren Grey, and various other members of his family from approximately 1900 to 1956.

Contains photographs of William Farnum in a film adaptation of the Lone Star Ranger and a replica of Jane Withersteen's home that was used in the film adaptation of Riders of the Purple Sage. Dated 1919 to 1938.

This subseries contains photographs and postcards of the home in Zanesville, Ohio where Zane Grey was born, and the Lackawaxen River, Pennsylvania from 1915 to 1921.

This subseries contains photographs and postcards of Claire Wilhelm, Lillian Wilhelm Smith, Mildred Fergerson, Dorothy Ackerman, Mildred Smith, Elma Schwarz, Polly Hunter, and various others on fishing trips, camping trips and in other situations with Zane Grey from approximately 1910 to 1950.

This subseries contains photographs of Native Americans, possibly taken on visits made by Claire Wilhelm to their villages. Dated approximately 1920.

Contains holograph and typed diaries by Zane Grey and Lina Elise Grey. Lina Elise Grey went by the name "Dolly." Most of the items are photocopied. One leather diary by Zane Grey is included. The materials date from 1910 to 1954.

Contains original copies of magazines, catalogs, and comic books containing material by, about, or related to Zane Grey, the Grey family, Wheeler, or the Zane Grey's West Society. Materials date from approximately 1910 to 1989.

Contains photographs and negatives by, about, or related to Zane Grey, the Grey family, Wheeler, the Zane Grey's West Society, or western life and culture. Materials date from approximately 1910 to 1989.