Addressees: Duneka, Frederick A
- SLC to Frederick A. Duneka, 12 September 1901 · Saranac Lake, N.Y · UCCL08218
- SLC to Frederick A. Duneka, 1 October–22 February 1902 · Riverdale, N.Y · UCCL10576
- SLC to Frederick A. Duneka, 21 November 1901 · Riverdale, N.Y · UCCL09652
- SLC to Frederick A. Duneka, 21 December 1901 · Riverdale, N.Y · UCCL12506
- SLC to Frederick A. Duneka, 3 January 1902 · Riverdale, N.Y · UCCL08224
- SLC to Frederick A. Duneka, 18 January 1902 · Riverdale, N.Y · UCCL06248
- SLC to Frederick A. Duneka, 16 February 1902 · Riverdale, N.Y · UCCL06279
- SLC to Frederick A. Duneka, 22 August 1902 · York Harbor, Me · UCCL06410
- SLC to Frederick A. Duneka, 11 September 1902 · York Harbor, Me · UCCL08228
- SLC to Frederick A. Duneka, 15 September 1902 · York Harbor, Me · UCCL08229
- SLC to Frederick A. Duneka, 19 September 1902 · York Harbor, Me · UCCL06435
- SLC to Frederick A. Duneka, 23 September 1902 · York Harbor, Me · UCCL11954
- SLC to Frederick A. Duneka, 6 October 1902 · York Harbor, Me · UCCL06454
- SLC to Frederick A. Duneka, February 1903 · Riverdale, N.Y · UCCL06574
- SLC to Frederick A. Duneka, 26 April 1903 · Riverdale, N.Y · UCCL06632
- SLC to Frederick A. Duneka, 27 April 1903 · Riverdale, N.Y · UCCL06634
- SLC to Frederick A. Duneka, 15 June 1903 · Riverdale, N.Y · UCCL06678
- SLC to Frederick A. Duneka, 4 July 1903 · Elmira, N.Y · UCCL06691
- 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
- SLC to Frederick A. Duneka, 30 December 1903 · Florence, Italy · UCCL06773
- SLC to Frederick A. Duneka, 5 January 1904 · Florence, Italy · UCCL06782
- SLC to Frederick A. Duneka, 7 January 1904 · Florence, Italy · UCCL08235
- SLC to Frederick A. Duneka, 8 January 1904 · Florence, Italy · UCCL08236
- SLC to Frederick A. Duneka, 8 February 1904 · Florence, Italy · UCCL06791
- SLC to Frederick A. Duneka, 17 February 1904 · Florence, Italy · UCCL08238
- SLC per Isabel V. Lyon to Frederick A. Duneka, 11 March 1904 · Florence, Italy · UCCL06809
- SLC per Isabel V. Lyon to Frederick A. Duneka, 14 March 1904 · Florence, Italy · UCCL06810
- SLC to Frederick A. Duneka, 4 May 1904 · Florence, Italy · UCCL12107
- SLC to Frederick A. Duneka, 27 May 1904 · Florence, Italy · UCCL06842
- SLC to Frederick A. Duneka · 3 December 1904 · New York, N.Y · UCCL02438
- SLC per Isabel V. Lyon to Frederick A. Duneka, 6 June 1905 · Dublin, N.H · UCCL12898
- SLC to Frederick A. Duneka, 16 June 1905 · Dublin, N.H · UCCL07064
- SLC to Frederick A. Duneka, 24 June 1905 · Dublin, N.H · UCCL09660
- SLC to Frederick A. Duneka, 16 July 1905 · Dublin, N.H · UCCL08240
- SLC to Frederick A. Duneka, 20 July 1905 · Dublin, N.H · UCCL08241
- SLC to Frederick A. Duneka, 20 July 1905 · Dublin, N.H · UCCL01344
- SLC per Isabel V. Lyon to Frederick A. Duneka, 6 August 1905 · Dublin, N.H · UCCL07102
- SLC per Isabel V. Lyon to Frederick A. Duneka, 9 August 1905 · Dublin, N.H · UCCL07105
- SLC to Frederick A. Duneka, 16 September 1905 · Dublin, N.H · UCCL07137
- Isabel V. Lyon for SLC to Frederick A. Duneka, 19 September 1905 · Dublin, N.H · UCCL07140
- Isabel V. Lyon for SLC to Frederick A. Duneka, 26 September 1905 · Dublin, N.H · UCCL07148
- SLC to Frederick A. Duneka, 30 September 1905 · Dublin, N.H · UCCL07155
- SLC to Frederick A. Duneka, 2 October 1905 · Dublin, N.H · UCCL08244
- SLC to Frederick A. Duneka, 5 October 1905 · Dublin, N.H · UCCL08276
- SLC to Frederick A. Duneka, 9 October 1905 · Dublin, N.H · UCCL07170
- 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
- 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
- SLC to Frederick A. Duneka, 24 February 1906 · New York, N.Y · UCCL11716
- SLC to Frederick A. Duneka, 20 March 1906 · New York, N.Y · UCCL08253
- SLC per Isabel V. Lyon to Frederick A. Duneka, 4 June 1906 · Dublin, N.H · UCCL07448
- SLC to Frederick A. Duneka, 31 October 1906 · Boston, Mass · UCCL08270
- SLC to Frederick A. Duneka, 30 April 1907 · SS Kanawha · UCCL07699
- SLC per Isabel V. Lyon to Frederick A. Duneka, 23 July 1907 · Tuxedo Park, N.Y · UCCL07793
- IVL for SLC per Josephine Hobby to Frederick A. Duneka · 6 May 1908 · New York, N.Y · UCCL08007
- SLC to Frederick A. Duneka, 3 June 1908 · New York, N.Y · UCCL08015
- SLC to Frederick A. Duneka, 7 November 1908 · Redding, Conn · UCCL09778
- SLC to Frederick A. Duneka, 30 November 1908 · Redding, Conn · UCCL08282
- SLC to Frederick A. Duneka, 30 December 1908 · Redding, Conn · UCCL08290
- SLC to Frederick A. Duneka, 12 April 1909 · Redding, Conn · UCCL08382
- SLC to Frederick A. Duneka, 30 June 1909 · Redding, Conn · UCCL08430
- SLC to Frederick A. Duneka, 27 October 1909 · Redding, Conn · UCCL08476
- SLC to Frederick T. Leigh and Frederick A. Duneka, 7 January 1910 · Hamilton, Bermuda · UCCL08536
- SLC to Frederick A. Duneka, 17 April n.y. · Unknown place · UCCL01823
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