Addressees: Duneka, Frederick A
- SLC to Frederick A. Duneka, 12 September 1901 · Saranac Lake, N.Y · UCCL08218 NN-BGC
- SLC to Frederick A. Duneka, 1 October–22 February 1902 · Riverdale, N.Y · UCCL10576 CU-MARK
- SLC to Frederick A. Duneka, 21 November 1901 · Riverdale, N.Y · UCCL09652
- SLC to Frederick A. Duneka, 21 December 1901 · Riverdale, N.Y · UCCL12506 DLC
- SLC to Frederick A. Duneka, 3 January 1902 · Riverdale, N.Y · UCCL08224 NN-BGC
- SLC to Frederick A. Duneka, 18 January 1902 · Riverdale, N.Y · UCCL06248 DLC
- SLC to Frederick A. Duneka, 16 February 1902 · Riverdale, N.Y · UCCL06279 DLC
- SLC to Frederick A. Duneka, 22 August 1902 · York Harbor, Me · UCCL06410 CtRe
- SLC to Frederick A. Duneka, 11 September 1902 · York Harbor, Me · UCCL08228 NN-BGC
- SLC to Frederick A. Duneka, 15 September 1902 · York Harbor, Me · UCCL08229 NN-BGC
- SLC to Frederick A. Duneka, 19 September 1902 · York Harbor, Me · UCCL06435 DLC
- SLC to Frederick A. Duneka, 23 September 1902 · York Harbor, Me · UCCL11954 CU-MARK
- SLC to Frederick A. Duneka, 6 October 1902 · York Harbor, Me · UCCL06454 DLC
- SLC to Frederick A. Duneka, February 1903 · Riverdale, N.Y · UCCL06574 ViU
- SLC to Frederick A. Duneka, 26 April 1903 · Riverdale, N.Y · UCCL06632 NSyU
- SLC to Frederick A. Duneka, 27 April 1903 · Riverdale, N.Y · UCCL06634 DLC
- SLC to Frederick A. Duneka, 15 June 1903 · Riverdale, N.Y · UCCL06678 CLjC
- SLC to Frederick A. Duneka, 4 July 1903 · Elmira, N.Y · UCCL06691 NNC
- SLC to Frederick A. Duneka, 11 September 1903 · New York, N.Y · UCCL12543
- SLC to Frederick A. Duneka, 21 October 1903 · New York, N.Y · UCCL06748 DLC
- SLC to Frederick A. Duneka, 30 December 1903 · Florence, Italy · UCCL06773 MoSW
- SLC to Frederick A. Duneka, 5 January 1904 · Florence, Italy · UCCL06782 DLC
- SLC to Frederick A. Duneka, 7 January 1904 · Florence, Italy · UCCL08235 NN-BGC
- SLC to Frederick A. Duneka, 8 January 1904 · Florence, Italy · UCCL08236 NN-BGC
- SLC to Frederick A. Duneka, 8 February 1904 · Florence, Italy · UCCL06791 CU-MARK
- SLC to Frederick A. Duneka, 17 February 1904 · Florence, Italy · UCCL08238 NN-BGC
- SLC per Isabel V. Lyon to Frederick A. Duneka, 11 March 1904 · Florence, Italy · UCCL06809 CU-MARK
- SLC per Isabel V. Lyon to Frederick A. Duneka, 14 March 1904 · Florence, Italy · UCCL06810 CU-MARK
- SLC to Frederick A. Duneka, 4 May 1904 · Florence, Italy · UCCL12107 DeW2
- SLC to Frederick A. Duneka, 27 May 1904 · Florence, Italy · UCCL06842 IC3
- SLC to Frederick A. Duneka · 3 December 1904 · New York, N.Y · UCCL02438 CU-MARK
- SLC per Isabel V. Lyon to Frederick A. Duneka, 6 June 1905 · Dublin, N.H · UCCL12898 CU-MARK
- SLC to Frederick A. Duneka, 16 June 1905 · Dublin, N.H · UCCL07064 CU-MARK
- SLC to Frederick A. Duneka, 24 June 1905 · Dublin, N.H · UCCL09660 ViU
- SLC to Frederick A. Duneka, 16 July 1905 · Dublin, N.H · UCCL08240 NN-BGC
- SLC to Frederick A. Duneka, 20 July 1905 · Dublin, N.H · UCCL08241 NN-BGC
- SLC to Frederick A. Duneka, 20 July 1905 · Dublin, N.H · UCCL01344 NN-BGC
- SLC per Isabel V. Lyon to Frederick A. Duneka, 6 August 1905 · Dublin, N.H · UCCL07102 CU-MARK
- SLC per Isabel V. Lyon to Frederick A. Duneka, 9 August 1905 · Dublin, N.H · UCCL07105 CU-MARK
- SLC to Frederick A. Duneka, 16 September 1905 · Dublin, N.H · UCCL07137 DLC
- Isabel V. Lyon for SLC to Frederick A. Duneka, 19 September 1905 · Dublin, N.H · UCCL07140 CU-MARK
- Isabel V. Lyon for SLC to Frederick A. Duneka, 26 September 1905 · Dublin, N.H · UCCL07148 CU-MARK
- SLC to Frederick A. Duneka, 30 September 1905 · Dublin, N.H · UCCL07155 CU-MARK
- SLC to Frederick A. Duneka, 2 October 1905 · Dublin, N.H · UCCL08244 NN-BGC
- SLC to Frederick A. Duneka, 5 October 1905 · Dublin, N.H · UCCL08276 NN-BGC, CU-MARK
- SLC to Frederick A. Duneka, 9 October 1905 · Dublin, N.H · UCCL07170 NNC
- SLC to Frederick A. Duneka, 9 October 1905 · Dublin, N.H · UCCL07165
- Isabel V. Lyon for SLC to Frederick Duneka, 17 November 1905 · New York, N.Y · UCCL13191 Harpers 1817–1914
- SLC to Frederick A. Duneka, 1905 · Unknown place · UCCL13559
- SLC per Isabel V. Lyon to Frederick A. Duneka, 17 February 1906 · New York, N.Y · UCCL07347 CU-MARK
- SLC to Frederick A. Duneka, 24 February 1906 · New York, N.Y · UCCL11716 NNU-F
- SLC to Frederick A. Duneka, 20 March 1906 · New York, N.Y · UCCL08253 NN-BGC
- SLC per Isabel V. Lyon to Frederick A. Duneka, 4 June 1906 · Dublin, N.H · UCCL07448 MFai
- SLC to Frederick A. Duneka, 31 October 1906 · Boston, Mass · UCCL08270 NN-BGC
- SLC to Frederick A. Duneka, 30 April 1907 · SS Kanawha · UCCL07699 DLC
- SLC per Isabel V. Lyon to Frederick A. Duneka, 23 July 1907 · Tuxedo Park, N.Y · UCCL07793 CU-MARK
- SLC to Frederick A. Duneka, 3 June 1908 · New York, N.Y · UCCL08015 NN-BGC
- SLC to Frederick A. Duneka, 7 November 1908 · Redding, Conn · UCCL09778
- SLC to Frederick A. Duneka, 30 November 1908 · Redding, Conn · UCCL08282 NN-BGC
- SLC to Frederick A. Duneka, 30 December 1908 · Redding, Conn · UCCL08290 NN-BGC
- SLC to Frederick A. Duneka, 12 April 1909 · Redding, Conn · UCCL08382 DLC
- SLC to Frederick A. Duneka, 30 June 1909 · Redding, Conn · UCCL08430 MoSW
- SLC to Frederick A. Duneka, 27 October 1909 · Redding, Conn · UCCL08476 NNC
- SLC to Frederick T. Leigh and Frederick A. Duneka, 7 January 1910 · Hamilton, Bermuda · UCCL08536 JIm
- SLC to Frederick A. Duneka, 17 April n.y. · Unknown place · UCCL01823 DLC
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