German manufacturer's catalogues, comprising Goerz Cameras and Lenses [c.1913], Goerz Catalogue: Lenses Cameras Binoculars [c.1914], Goerz catalogue [c.1910], Goerz [c.1916], Ica cameras [c1925], Ernemann Photo [c.1920], Zeiss Ikon Cameras und Zubehör 1930 and Zeiss Ikon Cameras und Zubehör Auszugliste 1931. (8)