African study monographs. Supplementary issue

Study "F-11"

Horse Study

(Figurative study)

Floral Study

Study of Primroses

Study of Nude

Study of Rocks

Woman, a Study

Study of Nude

Mammal study

Mammal study

Mammal study

Untitled (Drawing study)

Calf Study

Study of a Hyacinth

Study for Fleshscape

Untitled [study for etching]

Untitled [study for etching]

Study for Counter-Change Pattern

Study for Counter-Change Pattern

Small Nature Study

Study for Exit

Study for Exit

Study for Exit