New Babylon: Skizze zu ein Kultur

New-Babylon: Skizze zu ein Kultur is an original German manuscript in collaboration with Caspari translated and adjusted by Constant. A summary of the Dutch text was published in 1974 in the exhibition catalogue at Gemeentemuseum Den Haag. Neither the original Dutch text of 125 pages nor the German manuscript of 165 pages was ever published as a whole until 2021.

In 2021 the Spanish publisher Catédra published the manuscript in Spanish with the title Nueva Babilonia [La utopía de la ciudad ideal en el siglo XX] with an introduction by Juan Pro, Professor of Contemporary History at the Autonomous University of Madrid.

The original texts are in the Constant Archive and at the RKD Archief Constant, they can be found under the following numbers: Dutch version 414[b] and German version 414[a]).