APS buildings are open to staff and invited visitors. The Library is under renovation until early 2022. Virtual programs are ongoing. Read more about the APS's COVID response and operating procedures.

Treasures of the American Philosophical Society

2018
Online Exhibition

Treasures of the American Philosophical Society is a digital exhibition that shares highlights of the Society's remarkable collections. The APS is home to 13 million manuscripts, and 600,000 books, maps, prints, photographs, scientific instruments, fine art, and more. These objects trace American history and science from the Colonial era to the digital age.

Are you curious about Thomas Jefferson’s Declaration of Independence, Benjamin Franklin’s personal library, or Lewis and Clark’s journals? How about “black holes” in space or Neil Armstrong’s moon landing? Explore the Society's treasures by visiting one of these sections below.

  • Early America
  • History of Science
  • Native America
  • Natural History
  • Surprise Me
  • Staff Picks

Jump in and explore. You may be surprised!