The first publique lecture read at Sr. Balthazar Gerbier his accademy, concerning military architecture, or fortifications, to the lovers of virtue, come hither to that purpose - Gerbier, Balthazar 1592-1667 (Printed by Gartrude Dawson, and are to be sold by Hanna Allen at the Crown in Popes-head-alley, 1649)
Annotation on Thomason copy: "August 30". - Attributed to Balthazar Gerbier. - Reproduction of the original in the British Library. - The final leaf is a folding diagram of fortifications. - Thomason, E.572[5]. - Wing (2nd ed.), G561