Boston Public Library
Professional Staff Association
MLSA Local 4928, AFT
Representing librarians, archivists, curators, and conservators as well as professional staff in the Accounting, Communications, Systems, and Business Departments at Boston Public Library.
About PSA
First founded as a professional association in the 1930’s, PSA became a recognized union in 1969. In 2020, PSA members voted to affiliate with the Massachusetts Library Staff Association (MLSA) Local 4928 of the American Federation of Teachers (AFT). PSA currently represents over 200 employees at the Boston Public Library.
Contact Us
PSA Members can reach out to a member of the Executive Board directly to have their issue addressed. For all other inquiries, complete and submit the form below and a Board member will reach out.