Rotterdam: Galerie Delta, 1963. First edition. Square 4to,  pp, saddle-stapled wraps. Illustrated with black and white plates on coated stock, one plate printed in two colors. Text by C. Caspari (in German) and Constant (in Dutch).
A beautifully designed catalog devoted to Constant's New-Babylon drawings, with a lengthy text by Caspari. Early and important documentation of the project.
Wrappers sunned at margins, some faint soiling to back panel, but clean internally. Very good. Item #28650