The Dutch National Bibliography up to 1801
De calceo antiquo. / By B. Balduinus
(Title-page a1: corrected enlarged impression). — Amstelodami, sumpt. A. Frisii, 1667
9 Copies. — id: 095183132
B. Balduini Calceus antiquus et mysticus. / Edited by J.F. Nilant
Lvgdvni Batavorvm, apud T. Haak, 1711
6 Copies. — id: 296713058