The Zeiss Historica Society, Catalog Numbers 1926-1972 ZEISS IKON, Maurice Zubatkin & Philip Laycock. Included are Prewar Catalog Numbers 1926-1939, Postwar Catalog Numbers 1948-1972, as well as appendices of. The Mead Kibbey Collection, Identifying Zeiss Binoculars, WW!! German Manufacturing codes, Dating Prewar Zeiss Lenses, Identifying the Contax 1