Addressees: Fitzgibbon, George H
- Samuel L. Clemens to George H. Fitzgibbon, 5 October 1872 · London, England · UCCL00820
- Samuel L. Clemens to George H. Fitzgibbon, 12 June 1873 · London, England · UCCL00925
- Samuel L. Clemens to George H. Fitzgibbon, 19 June 1873 · London, England · UCCL00929
- Samuel L. Clemens to George H. Fitzgibbon, 28 November 1873 · London, England · UCCL00990
- Samuel L. Clemens to George H. Fitzgibbon, 9 December 1873 · London, England · UCCL00995
- Samuel L. Clemens to George H. Fitzgibbon, 21 December 1873 · London, England · UCCL01012
- Samuel L. Clemens to George H. Fitzgibbon, 30 December 1873 · London, England · UCCL01020
- Samuel L. Clemens to George H. Fitzgibbon, 1 January 1874 · London, England · UCCL01027
- Samuel L. Clemens to George H. Fitzgibbon, 6 January 1874 · London, England · UCCL01035
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