Carte des Voies de
Communication par Terre, par Eau,
et par Fer de la Russie d'Europe.
Edition de la Section des Statistiques
et de Cartographie du Ministere des
Communications 1913
(Map of the Paths of Communication by Earth, by Water, and by Iron of the Russia of Europe. Edition of the Statistics and Mapping Section of the Ministry of Communications 1913)
Brussels. Color lithograph privately published by the author, February 1943 as a cyan-blue photographic print with full original hand colour, on 36 un-joined sheets, each 36 x 30 cm (14 x 12 inches); if joined they would form a map: 210 x 183 cm (82.5 x 72 inches).