Compendium logicæ secundum principia D. Renati Descarte catechisticè propositum : [1693]

Small leather hardcover volume containing a manuscript copy of William Brattle’s abstract of René Descartes’ "Compendium Logicae" copied in Latin, likely by Thomas Phipps in 1693. A crossed out inscription on the inside back cover appears to read “Thomas Phips 1693” likely referring to Thomas Phipps, a member of the Harvard Class of 1695.

Compendium logica in quatuor partes, 1701

Small hardcover notebook containing a manuscript copy of William Brattle's abstract of René Descartes' "Compendium Logicae" copied in Latin by Harvard student Joseph Metcalf between April 29th and May 7th, 1701. The text includes an ornately decorated title page and drawings and notes on the flyleaves. The covers are unattached. The inside front cover is inscribed: "Joseph Burbeen Walker 1845."