Each volume contained in publisher's cloth-backed printed board portfolios, each additionally with cloth-backed protective portfolios.

1910-1911

Oblong folio: 41.5 x 65 cm (16 3/8 x 25 5/8 in.)

Published by Ernst Wasmuth, Berlin. First Edition. Complete two-volume set containing 72 lithographed plates (one folding), 28 of which with the original printed tissue overlays as issued. Loose as published in original cloth-backed board portfolios.