cma-photography-department: Camera Work: Poplars and Clouds, Hans Watzek, 1906, Cleveland Museum of
cma-photography-department: Camera Work: Poplars and Clouds, Hans Watzek, 1906, Cleveland Museum of Art: PhotographyMedium: photogravurehttps://clevelandart.org/art/1995.199.13.h -- source link