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The Library, founded in 1817, is considered to have one of the finest collections for the study of Freemasonry. It holds 75,000 volumes, 30,000 documents and manuscripts, and a vast number of print and photographic works.
One treasure is Benjamins Franklin's 1734 printing of The Constitutions of the Free-Masons, the first Masonic book printed in America.
The Collection is available for public use within the building. Pennsylvania Masons may borrow books from the circulating library.

Click on the images
for a detailed view
Top Left Photo:
Computerized Indexing
Top Right Photo:
Library Reading Room
Bottom Right Photo:
Rare Books, one dated 1489

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