Hans Volkmann has written:
'Kleopatra' -- subject(s): History
'Cleopatra' -- subject(s): Biography, History, Queens
Robert Volkmann has written: 'Briefe'
Wilhelm Volkmann has written: 'Lehrbuch der Psychologie' -- subject(s): Psychology
R. P. Volkmann has written: 'Preliminary bedrock geologic map, Holliston quadrangle'
Richard Volkmann has written: 'Geschichte und kritik der Wolfschen Prolegomena zu Homer'
Hugo Volkmann has written: 'Handbuch der Infrarot-Spektroskopie' -- subject(s): Handbooks, manuals, Infrared spectroscopy
Herbert Volkmann on artnetYou are most likely referring to Hans Richard von Volkmann, often referred to as simply Hans Volkmann or Hans von Volkmann. He was a German painter and illustrator born in Halle, germany in 1860 (d. 1927). He was noted for his landscapes, which were primarily of undramatic, pastoral secnes of fields and villages. He was also an illustrator of children's books. You can see a selection of his work on Wikimedia Commons by searching for "Hans von Volkman".
Richard Emil Volkmann has written: 'Geschichte und Kritik der Wolfschen Prolegomena zu Homer' 'Commentationes epicae'
Renate Volkmann has written: 'Planktic foraminifer ecology and stable isotope geochemistry in the Arctic Ocean' -- subject(s): Foraminifera, Isotope geology
Mary Jane Volkmann has written: 'Glimpses of Namibian life' -- subject(s): Pictorial works, Social life and customs, Ethnology
Sibylle Volkmann-Raue has written: 'Bedeutende Psychologinnen des 20. Jahrhunderts' -- subject(s): Women psychoanalysts, Women psychologists, Biography
Hans Coray has written: 'Hans Coray'
Hans Hinterreiter has written: 'Hans Hinterreiter'