Gruen watches : a special collection / donated by Robert Dietrich Gruen ... to the AWI-ELM Charitable Trust Orville R. Hagans Museum. - 40 pages : illustrations ; 22 cm ISBN: $6.95 Subjects--Topical Terms: Clocks and watches--Catalogs.Clocks and watches. Subjects--Index Terms: AWI Gruen AWI Press AWI, Watch (general) catalog collection Index Terms--Genre/Form: Catalogs.Catalogs.