Rare Book collection consists of approximately 4,000 early and unique bound volumes ranging in topics from science and technology to American and British literature to the histories of Worcester and New England. The collection includes the Robert D. Fellman collection on Charles Dickens, some of which have been digitized and are available on DigitalCommons, the third edition of Isaac Newton’s Philosophiae Naturalis Principia Mathematica, 1726; De Re Metallica, by Georg Agricola, 1561, and five incunables, the earliest being  Pope Gregory I’s Dialogi, 1476.  The collection also includes publications related to the history of the Institute and Worcester County, the history of science and engineering, and works published by WPI faculty and staff. Books are listed in the library's catalog and do not circulate. They must be consulted in the Fellman Dickens Reading Room.