Two Hundred Years: The Historical Society of Pennsylvania, 1824-2024

Home to the first two drafts of the U.S. Constitution, an original printer’s proof of the Declaration of Independence, and the earliest surviving American photograph, the Historical Society of Pennsylvania (HSP) is one of the nation’s largest libraries. Published in conjunction with the anniversary of the Society’s founding in 1824, Two Hundred Years is the first book to survey the more than twenty-one million documents, newspapers, graphics, and rare books in its archive.

The book presents ...