Comprising 20 engravings and woodcuts (12 in color), all signed in pencil by Mueller. Various sizes, ranging from 2 ½ x 3 in. to 11 x 14 ¾ in. Including illustrations for Joseph Conrad’s Lord Jim, a work by Knut Hamsun, portraits of John Adams and Theodore Roosevelt, as well as other scenes and illustrations. Presumably in Mueller’s own quarter white cloth over board portfolio; paper label of Staatliche Akademie fur Graphische Kunste und Buchgewerbe, Leipzig 1926 on front cover, worn and rubbed. Print condition varies, some matted, others with old glue residue to corners, scattered tears and creasing to edges.