Senders: Bigelow, John
- John Bigelow to SLC, 26 October 1903 · Highland Falls, N.Y. · UCLC33838 CU-MARK
- John Bigelow to SLC, 9 November 1907 · Highland Falls, N.Y. · UCLC37412 CU-MARK
- John Bigelow to SLC, 11 October 1909 · Highland Falls, N.Y. · UCLC50623 NN
- John Bigelow to SLC, 15 October 1909 · Highland Falls, N.Y. · UCLC40328 CU-MARK
- John Bigelow to SLC, 4 December 1909 · New York, N.Y. · UCLC40362 CU-MARK
- John Bigelow to SLC, 25 December 1909 · UCLC41896 CU-MARK
- John Bigelow to SLC, 17 April 1910 · New York, N.Y. · UCLC46402 CU-MARK
1