Schaaf, Larry J. (Larry John), 1947-
Tracings of light : Sir John Herschel & the camera lucida : drawings from the Graham Nash collection / Larry J. Schaaf ; with an introduction by Graham Howe.
Herschel, John F. W. (John Frederick William), 1792-1871 -- Catalogs.
Nash, Graham, 1942- -- Art collections -- Catalogs.
Drawing -- Private collections -- England -- Catalogs.
Camera lucidas.