A collection of interviews and articles written or conducted by Leo Trachtenberg between 1984 and 2006. Most of the transcripts have the audio recordings. The interviews include baseball players, Hall of Famers, and executives. There are New York Yankee interviews, which were conducted in 1993 and 1994. There are a number of articles and article outlines written by Trachtenberg but no indication as to whether they were published. Book outlines and chapters relating to a book on Miller Huggins and one on Huggins, Ed Barrow, and Jacob Ruppert.