2
|
|
Russia -- Social conditions -- 1801-1917 -- Congresses. / https://id.loc.gov/authorities/subjects/sh85125854 https://id.loc.gov/authorities/subjects/sh99001533
|
1987
|
1
|
5
|
|
Russia -- Social conditions -- 1801-1917 -- Sources. / https://id.loc.gov/authorities/subjects/sh85125854 https://id.loc.gov/authorities/subjects/sh2002012007
|
1988
|
1
|