Some of Newton's notes come from a 1654 edition of: Gregory, Francis. Ονομαστικὸν βραχύ; sive, Nomenclatura brevis, Anglo-Latino-Græca, in usum Scholæ Westmonasteriensis. Per F. G. [i.e. Francis Gregory.] Editio vigesima secunda, etc. John Meredith, in trust for Royston and Elizabeth Meredith, 1710.

Sir Isaac Newton's Pocket Knowledge: A Virtual Tour of a Morgan Library Notebook<br /> The Morgan Library & Museum<br /> https://www.youtube.com/watch?v=uE9DYP1PfhQ

Newton's notebook was done in a tête-bêche (French for "head-to-toe") style in which he flipped the notebook over and began using it from the back to the front as a means of starting a second notebook within to separate the contents.

https://cudl.lib.cam.ac.uk/collections/newton/1

Some of Newton's other papers are held by The Morgan Library & Museum.

4.92 x 3.07 inches

Collection in Focus: Sir Isaac Newton's Pocket Memorandum Book<br /> by The Morgan Library & Museum

https://www.youtube.com/watch?v=h0Zpo5yla7w

More details and a digitized version of this memorandum book at https://www.themorgan.org/collection/isaac-newton/memorandum-book