The collection is organized into three series.

Series I: Personal Papers includes materials from 1941 to 2015. This series contains book previews, biographical information and photographs, correspondence, newspaper clippings, non-fiction writing, and land documents relating to Crockett's home at Seven Mile Ford. This series is arranged by type of material. Within each material type, folders are in chronological order.

Series II: Illustrations and Art consist of ink and pencil drawings and illustrations by Crockett, primarily for her own works. Identified illustrations include art for Capitan, Popcorn on the Ginza: An Informal Portrait of Postwar Japan and Teru: A Tale of Yokohama. A number of the illustrations are not clearly associated with one project and could be for her works, though she was also know to illustrate for other authors. This series is arranged by size and items relating to a specific known project are house separate from unidentified art.

Series III: Manuscript and Typescript Works conatins various drafts of published and unpublished works, dating from 1940 to 1972. Drafts of published works include: Capitan, Popcorn on the Ginza: An Informal Portrait of Postwar Japan, Teru: A Tale of Yokohama, Magnificent Bastards, and Kings Without Castles. The series also has two versions of an unpublished manuscript for "The Devil Chasers" and a partial manuscript for "Bus Station Blues," dated September 1972. This series in arranged in chronological order by publication/creation date.