Baden-Baden, 1 July 1955 - Institutional correspondence A letter from the director of the Gesellschaft der Freunde junger Kunst Baden-Baden to the Musée des Arts Décoratifs
Chicago, 10 October 1939 - Institutional correspondence Isabel Jarvis's letter to the Spanish Refugee Relief Campaign
Chicago, 12 October 1939 - Institutional correspondence Isabel Jarvis's letter to the Museum of Modern Art, New York