What Makes a Book Rare? By Michael Lear, Rare Collections Librarian State Library of Pennsylvania Libraries with rare or special collections may be asked: what makes a book “rare” or valuable? Probably the most often thought of factor by is that a book is old. This is sometimes...

  by Michael Lear, Rare Collections Librarian, State Library of Pennsylvania mlear@pa.gov Preservation of Paper-Based Materials Overview Paper-based materials are subject to damage by multiple external and internal factors. Careless handling can result in tears. Staining...

  Recruiting for Rare Collections Librarian, State Library of Pennsylvania As the Office of Commonwealth Libraries (OCL) continues to rebuild its staff following some key staff retirements, I’m pleased to share a special and unique invitation to join the State Library of...