The Hidden Collections Initiative for Pennsylvania Small Archival Repositories (HCI-PSAR) is a project of the Historical Society of Pennsylvania funded by the Andrew W. Mellon Foundation. Its goal is to make better known and more accessible the largely hidden collections at small archival repositories in the five-county Philadelphia region. These include volunteer-run historical institutions, museums, fraternal and ethnic organizations, community groups, churches, clubs, and other non-profit organizations with important archival collections. For more information, visit http://hsp.org/hcipsar. The project began in 2011. As of February 29, 2016, surveying was complete at 170 repositories: 67 historical societies, 19 museums, 34 historic sites, 8 historical commissions, and 42 other types of organizations (such as churches, schools, libraries, and others).