The first lecture being an introduction to the military architecture, or fortifications read publiquely at Sr. Balthazar Gerbiers Academy - Gerbier, Balthazar 1592-1667 (For Robert Ibbitson, 1650)
Dedication signed: Balthazar Gerbier. - Imperfect: cropped, with print show-through and slight loss of print. - Reproduction of original in the Harvard University Library. - Wing, G555