| Document Name | Date | Description | Document Type | Document Series | Companies | Subjects | |
|---|---|---|---|---|---|---|---|
April 1917 National Geographic Magazine (1917-4-gruen-NG-B) | April 1917 |  | Advertisement | National Geographic Magazine | Gruen | Clock & Watch | |
October 1917 National Geographic Magazine (1917-10-Gruen-NG) | October 1917 |  | Advertisement | National Geographic Magazine | Gruen | Clock & Watch | |
November 1927 The American Magazine, p. 1 (1927-11-p1-AM) | November 1927 |  | Advertisement | The American Magazine | Gruen | Clock & Watch | |
September 8, 1941 Life Magazine, p. 22 (1941-9-8-p22-Life) | September 8, 1941 |  | Advertisement | Life Magazine | Gruen | Clock & Watch | |
November 17, 1947 Life Magazine, (1947-11-17-Life-1) | November 17, 1947 |  | Advertisement | Life Magazine | Gruen | Clock & Watch | |
November 17, 1947 Life Magazine, (1947-11-17-Life-2) | November 17, 1947 |  | Advertisement | Life Magazine | Gruen | Clock & Watch | |
November 30, 1959 (1959-11-30-Lifei) | November 30, 1959 |  | Advertisement | Gruen | Clock & Watch |
