The collection documents the pictorial history of baseball's Negro Leagues before the integration of baseball. The materials date from 1880 to 1991 iwth the bulk of the materials dating from 1923 to 1948. The collection includes action, team, group, and individual player photographs. The collection consists of negatives, prints, and oversized materials. Of particular interest is the large colleciton of photographic materials from the Homestead Grays.