Senders: Carnegie, Andrew
- Andrew Carnegie to SLC, 21 April 1890 · New York, N.Y. · UCLC45065 CU-MARK
- Andrew Carnegie to SLC, 21 April 1890 · UCLC48666 CU-MARK
- Andrew Carnegie to SLC, 17 November 1893 · New York, N.Y. · UCLC45958 CU-MARK
- Andrew Carnegie to SLC, 8? February 1901 · UCLC40053 CU-MARK
- Andrew Carnegie to OLC and SLC, 8 February 1901 · New York, N.Y. · UCLC33155 CU-MARK
- Andrew Carnegie to SLC, 19 November 1901 · New York, N.Y. · UCLC33325 CU-MARK
- Andrew Carnegie to SLC, 1–5? February 1904, New York, N.Y. · UCLC46493 CU-MARK
- Andrew Carnegie to SLC, 15–31 July 1904, New York, N.Y. · UCLC51150 CU-MARK
- Andrew Carnegie to SLC, 7 November 1904 · New York, N.Y. · UCLC34219 CU-MARK
- Andrew Carnegie to SLC, 9 August 1905 · Dornoch, Scotland · UCLC34573 CU-MARK
- Andrew Carnegie to SLC, 6 November 1905 · New York, N.Y. · UCLC34731 CU-MARK
- James Bertram for Andrew Carnegie to SLC, 5 December 1905 · New York, N.Y. · UCLC34965 CU-MARK
- Andrew Carnegie to SLC, 9 December 1905 · New York, N.Y. · UCLC35030 CU-MARK
- James Bertram for Andrew Carnegie to SLC, 19 December 1905 · New York, N.Y. · UCLC35080 CU-MARK
- Andrew Carnegie to SLC, 2 November 1906 · New York, N.Y. · UCLC35665 CU-MARK
- Andrew Carnegie to SLC, 3 November 1906 · New York, N.Y. · UCLC35667 CU-MARK
- Andrew Carnegie to SLC, 24 November 1906 · New York, N.Y. · UCLC35715 CU-MARK
- Andrew Carnegie to SLC, 26 November 1906 · New York, N.Y. · UCLC35722 CU-MARK
- Andrew Carnegie to SLC, 10 January 1907 · New York, N.Y. · UCLC35830 CU-MARK
- Andrew Carnegie to SLC, 28 June 1907 · London, England · UCLC36808 CU-MARK
- Andrew Carnegie to SLC, 28 April 1909 · New York, N.Y. · UCLC40224 OhCiUAR
- Andrew Carnegie to SLC, 22 May 1909 · Stresa, Italy · UCLC40250 CU-MARK
- Andrew Carnegie to SLC, 24 December 1909 · New York, N.Y. · UCLC40378 CU-MARK
- Andrew Carnegie to SLC, 16 April 1910 · New York, N.Y. · UCLC46379 CU-MARK
- Andrew Carnegie to SLC, Unknown date · UCLC40027 CU-MARK
- Andrew Carnegie to SLC, Unknown date, New York, N.Y. · UCLC46492 CU-MARK
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