Boeken
Books
New York: Reynal & Company; 1964, [cop. 1956].
"This memorial edition arose out of the ... Leonardo Exposition held in Milan before the last war.". - flaptekst
"This work was originally published in Italy by the Istituto Geografico de Agostini in 1938." In its preparations "37 of the leading scholars in Europe examined each phase of Leonardo's activities and contributed a section on it.". - flaptekst