1. Information concerning the real estate rights (estate, house, garden, lot) in pre-Soviet and Soviet periods
- National Archives of Armenia, Yerevan municipal and regional branches
2. 2. Information concerning land property for construction (industrial, dwelling, economical etc.) in pre-Soviet and Soviet periods
- National Archives of Armenia, Yerevan municipal and regional branches
3. Information concerning scientific-technical documents (plans, projects) in Soviet period
- National Archives of Armenia