This subseries contain photographs documenting Zane and Lina Elise Grey's family life. It contains portraits and casual photographs of family members, including Zane Grey's children, siblings, and parents. It also contains photographs of family gatherings outside the Grey homes in Altadena and Catalina, California dating from approximately 1890 to 1943.

Contains tax records, checks, bills, and other financial records related to the operations of Zane Grey and Zane Grey, Inc., dating from between 1920 and 1975.

This series contains meeting minutes of the Board of Directors for the Altadena National Bank, legal records in response to the Internal Revenue's claims that Zane and Lina Elise Grey were not a business partnership, an expenses book for Zane Grey and Zane Grey, Inc., and invoices for fishing and hunting supplies, dating from 1920 to 1939.

Contains correspondence and other materials produced by Zane Grey, Inc. related to their operations, dating from 1927 to 1978.

Contains manuscripts, reviews, lists, and other material related to Zane Grey's writings dating from between 1900 and 1963.

This subseries contains unidentified or miscellaneous photographs dating from approximately 1900 to 1960. It contains photographs of actresses, people and places with an unknown connection to Zane Grey or his family.

Contains newspaper clippings and proofs related to Zane Grey's writings, as well as serialized versions of those works published in newspapers, dating from 1920 to 1995.

Contains correspondence between Zane Grey and family members, editors, and fans. Most of the material deals with family concerns and Grey's writings dating from approximately 1900 to 1960.

Contains materials concerning Grey's life and death and his personal relationships with friends and family. These materials include autographs, correspondence with his wife, Lina Grey, and son, Romer, journals, itineraries, and other materials documenting his fishing expeditions and writing trips, and biographical histories written about him both during and after his life dating from approximately 1900 to 1976.

Documents various personal activities of Zane Grey and includes autographs, notebooks, legal records, blueprints, information on the Liberty ship named for him, and other materials dating from approximately 1910 to 1945.