1918

Labor assistance. St. Petersburg: Guardianship of houses of diligence and workhouses, 1897-1918.
G. 21 1918, № 6: G. 21 1918, No. 6. 1918.

СПбГУ

Labor assistance. St. Petersburg: Guardianship of houses of diligence and workhouses, 1897-1918.
G. 21, 1918, № 4/5: G. 21 1918, No. 4/5. 1918.

СПбГУ

Labor assistance. St. Petersburg: Guardianship of houses of diligence and workhouses, 1897-1918.
G. 21 1918, № 1/3: G. 21 1918, No. 1/3. 1918.

СПбГУ