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.

Contains photographs of Lillian Wilhelm Smith and her artwork, predominantly from after Zane Grey's death. It contains photographs of decorative designs and sketches of Native American motifs, the library walls of the Grey home that she decorated, and prints of paintings made by her dating from approximately 1925 to 1970.

Contains photograph documenting Romer Grey's family and life, mostly after the death of his father in 1939. It contains photographs of Romer Grey from when he was a child, with his wife, Octave "Bea" Grey, and with his son, Romer Grey III. It also documents his role in the Flying Sphynx Ranch, Zane Grey Trails, and his relationship with Margaret A. Ingram dating from approximately 1915 to 1980.

Contain photographs documenting Zane and Lina Elise Grey's family life. It contains portraits and casual photographs of each family member, including Zane Grey's children, grandchildren, siblings, and mother. It also contains photographs of family gatherings outside the Grey homes in Altadena and Catalina, California dating from approximately 1890 to 1970.

Contains color, black and white, and glass negatives for photographs contained in other series. Each negative possesses the same item number as its corresponding photograph with an N after the number. Dated approximately 1919-1980.

Contains photographs documenting camping expeditions and trips in the American West. It contains photographs of Zane Grey hunting lions and bears, on horseback in Monument Valley, Death Valley, the Grand Canyon, Rainbow Bridge, and various other locations in Utah, Arizona, and California. It also contains photographs at Winkle Bar, the Tonto Basin, Rogue River, and others dating from approximately 1875 to 1960.

Contains photographs documenting Zane Grey's fishing expeditions and achievements. It contains photographs of fishing on the Lackawaxen River, Tahiti, New Zealand, Australia, Cocos and Galapogos Islands, Mexico, Nova Scotia, Florida, California, Oregon, Washington, and other places. Many of the photographs document experiences that were used in Zane Grey's fishing tales and date from approximately 1890 to 1950.

Contains photographs documenting the properties of Zane Grey. It includes photographs of their homes in Lackawaxen, Pennsylvania; Altadena, California; Catalina, California; and the surrounding areas dating from approximately 1890 to 1980.

Contains photographs documenting Zane Grey's family, fishing and camping expeditions, and properties. It contains photographs that document his trips to the Western United States that inspired his novels, and fishing trips that inspired his tales of fishing dating from approximately 1861 to 1980.

Contains unidentified or miscellaneous photographs dating from approximately 1861 to 1960. It contains photographs of actresses, people and places with an unknown connection to Zane Grey or his family.