2 photographs, comprising 'Weed Against Sky, Detroit,' and 'Cape Cod,' each signed by the photographer in pencil in the margin, annotated, possibly by him, in pencil on the reverse, matted, 1948, printed later, and 1972 (Aperture, p. 27; Photographer at Work, fig. 4; Callahan, pp. 66 and 151; Elemental Landscapes, cover and fig. 16; George Eastman House, Taschen, p. 647) (2)