Gey-Heinze (Marie) Meerschweinchen (guinea pigs), laid paper with Van Gelder Zonen watermark, plate 170 x 120mm, Zeitschrift für Bildende Kunst, 1908; Heermann (Erich) Portrait of Max Liebermann, NUMBER 9 OF 80 COPIES, signed by the artist and sitter in pencil, 310 x 205mm, 1921; Héroux (Bruno) Bookplate of Artur Liebsch, signed in pencil lower right, plate 180 x 65mm, n.d.; etchings, minor spotting, with 4 others (7)