The bulk of the collection contains materials concerning the planning of the exhibition and the reception that preceded the opening. It also contains the course readings for the History 450 classes, oral histories, and memorabilia.

Series I: Planning Materials

All of the planning materials were organized inot two binders, one identified as volume 1 and the other as volume 2. The original order of the Planning Binder(s) has been maintained. There is also a small amount of correspondence dated 2005-2006.

Series II: Postcards, Programs, and Articles.

Series III: Photographs, 2005

The photographs were taken during the reception held at the library on April 9, 2005. They are unidentified.

Series IV: Oral Histories, 2005 and 2007

As a part of the CSULA course History 450 (2005), students conducted oral histories with local Mexican-American to talk about their experiences with baseball or softball. Material includes course readings and mini DV tapes.

History 450 was also offered in 2007. Students interviewed baseball scouts; there was also a baseball scouts panel discussion (recorded). This material is available in the CD (4) format.

Series V: Memorabilia, undated

Items include a "Carmelita Chorizo" baseball cap and two signed baseballs.