Otto Ubbelohde (1867 in Marburg an der Lahn - 1922 in Goßfelden) was a German painter, etcher and illustrator.
Ubbelohde, Otto. "Ex Libris Adolf Conrad" (Landscape with a plough). Orig. etching, 1907. 11,5:15,5 cm (plate).
Ubbelohde, Otto. "Ex Libris Dr. Willy Tropp" (A man sitting on a rock on the bank of a river). Orig. etching, 1907. Signed in penciel lower right. 11,8:7,5 cm (plate).
Ubbelohde, Otto. "ex libris Horace Rockwell Hosbach" (Rocks). Orig. etching, ca. 1910. Signed typographically "O. U." in the plate lower left. 8,5:5,6 cm.
Ubbelohde, Otto. "Ex Libris J. T. Albert Hosbach" (Bridge over the creek). Orig. etching, ca. 1910. 12:9,2 cm (plate).