1. [Zurich-Dusseldorf: Dinner party with Andy Warhol, Bob Colacello, Hans Mayer, Thomas Ammann, Fred Hughes; Hotel room interiors with tulips; Diamond Dust shoes gallery opening] Topic: photographs, Art dealers, Hotels, Travel, Parties, Interiors, Hotels, and Shoes Subject: Ammann, Thomas, Colacello, Bob, Warhol, Andy, 1928-1987, and Hughes, Frederick W., 1943-2001 Date: February 10, 1980-February 14, 1980 Identifier: 2014.43.450, AWF FJ80.02008, and Job 91768