2nd Congress

1871, St. Petersburg, 2nd

12th Congress

1902, Kharkov, 12th

13th Congress

1905, Ekaterinoslav, 13th

14th Congress

1908, Chernigov, 14th

15th Congress

1911, Novgorod, 15th

8th Congress

1890, Moscow, 8th

9th Congress

1893, Vilnius, 9th

11th Congress

1899, Kiev, 11th

3rd Congress

1874, Kiev, 3rd

4th Congress

1877, Kazan, 4th