feather and wing studiesStillImageDrawing depicting: feather and wing studiesDelicate pencil and pastel feather and wing studies; note in margin: "19. Marshalls Walker [?]."ku-gould:18005https://digital.lib.ku.edu/ku-gould/18005Gould 1455bOrnithologyOrnithological illustrationelectronicimage/tiffThis work is free of known copyright restrictions.