BIBLIOGRAPHICAL NOTE
The Reformed Librarie Keeper With a Supplement to the Reformed School (1650) is reproduced from the copy in the Folger Shakespeare Library (Shelf Mark D2882/Bd w/D2883). A typical type page (p. 7) measures 107 x 56 mm. Not reproduced here are two additional parts in the original volume: An Idea of Mathematicks by John Pell and The description of one of the chiefest Libraries which is in Germanie, attributed either to Julius Scheurl or J. Schwartzkopf.