We invite your congregation, presbytery, or synod to support PHS by becoming a member. As the National Archives of the PC(USA), PHS exists to collect, preserve, and share the heritage of American Presbyterianism. We safeguard the history of churches in all 50 states and Puerto Rico, making your important stories available to those seeking to know more about the rich history of our vibrant faith community. We also offer a variety of benefits designed to support your ministry. Learn more about your options below. You can give securely online or print, complete, and mail your membership form to: PHS Development Department, 425 Lombard Street, Philadelphia PA 19147.