Busch-Reisinger Museum (1950-)(5)
Vandenhoeck & Ruprecht (1735-)(5)
Architects Collaborative (1945-)(4)
Hermann-Luchterhand-Verlag (1924-)(3)
Heinemann Educational Books (London)(2)
Hennessey & Ingalls, Inc. (1963-)(2)
International Exhibitions Foundation(2)
Massachusetts Institute of Technology (1861-)(2)
Museum of Fine Arts, Boston(2)
Aberdeen Art Gallery and Museum (Aberdeen)(1)