Tchaikovsky Research : Letters (1866)

No.	Addressed to	Date	Where written	Text available
77	Anatolii Tchaikovsky and Modest Tchaikovsky	6/18 January 1866	Moscow	Russian ; English
78	Anatolii Tchaikovsky and Modest Tchaikovsky	10/22 January 1866	Moscow	Russian ; English
79	Anatolii Tchaikovsky	14/26 January 1866	Moscow	Russian ; English
80	Aleksandra Davydova and Lev Davydov	15/27 January 1866	Moscow	Russian ; English
81	Elizaveta Tchaikovskaia	15/27 January 1866	Moscow	Russian ; English
82	Modest Tchaikovsky	16/28 January 1866	Moscow
83	Anatolii Tchaikovsky and Modest Tchaikovsky	23 January/4 February 1866	Moscow
84	Anatolii Tchaikovsky and Modest Tchaikovsky	30 January/11 February 1866	Moscow
85	Anatolii Tchaikovsky	6/18 February 1866	Moscow
86	Aleksandra Davydova	7/19 February 1866	Moscow
87	Modest Tchaikovsky	mid/late February 1866	Moscow
88	Anatolii Tchaikovsky	6/18 March 1866	Moscow
89	Anatolii Tchaikovsky and Modest Tchaikovsky	7/19 April 1866	Moscow
90	Aleksandra Davydova and Lev Davydov	8/20 April 1866	Moscow
91	Anatolii Tchaikovsky and Modest Tchaikovsky	16/28 April 1866	Moscow
92	Anatolii Tchaikovsky	25 April/7 May 1866	Moscow
93	Anatolii Tchaikovsky	3/15 May 1866	Moscow
94	Aleksandra Davydova	14/26 May 1866	Moscow
95	Aleksandra Davydova	7/19 June 1866	Peterhof
95a	Petr Jurgenson	11/23 August 1866	Saint Petersburg
96	Anatolii Tchaikovsky	8/20 November 1866	Moscow
97	Anatolii Tchaikovsky	1/13 December 1866	Moscow
97a	Petr Jurgenson	1866–1869	Moscow