A collection of research notes, correspondence, photocopies of photographs, and newspaper clippings created and/or compiled by Dr. Lawrence Hogan. These papers were used in the writing of his book titled "The Forgotten History of African American Baseball", published in 2014.

A collection of agreements, correspondence, interview transcripts, financial invoices, DVD, and photos relating to the video documentary “Before you can say Jackie Robinson” by Dr. Lawrence Hogan.

A collection of correspondence, telegrams, and newspaper clippings relating to African American baseball players integration into Major League Baseball. This collection is dated from 1937 to 1980.

A collection related to Jackie Robinson which includes playing career, correspondence, political activities, civic and community activities, his early life and death.

A collection of articles, clippings, dissertations, book excerpts, publications, photographic material, research notes, and correspondence relating to 19th century black baseball research by Jerry Malloy.

The collection contains audiocassette recordings of interviews and events collected by Larry Lester while conducting research on the Negro Baseball Leagues. The interviews and events were recorded between 1977 and 2003.

The collection documents the pictorial history of baseball's Negro Leagues before the integration of baseball. It primarily includes team, group, and general action photographs. Of particular interest is the large colleciton of photographic materials from the Homestead Grays.

The Wendell Smith papers include correspondence and newspaper columns written by Smith for the Pittsburgh Courier and the Chicago's American. These papers document Smith's direct and indirect support of the candidacy of Jackie Robinson as the first Black American to play in the National or American League in the 20th Century.