A collection consisting of correspondence, contracts, souvenir programs, postcards, and tickets. This dates between 1894 and 1959 and primarily relates to the Philadelphia Athletics.

The Emilie Mulholland collection contain photographs, correspondence, a scrapbook, souvenir programs, tickets, scorebooks, scorecards, vinyl recording albums, and art prints compiled and/or created by Mulholland during her tenure in the public relations office of the Pittsburgh Pirates from 1955 to 1964.

This collection contains Seattle Mariners tickets, scoresheets, and Seattle Mariners Women's Club newsletters, created between 1977 and 2024. The tickets and scoresheets are primarily to regular season games, but some post-season and spring training tickets are also present.