Main publications:
- Soviet Armenian Encyclopedia ("Haykakan Sovetakan Hanragitaran"; in 12+1 volumes, 1974–88; Soviet Armenian State prize in 1988)
- The Armenian Abridged Encyclopedia ("Hajkakan hamarot hanragitaran" 4 volumes, 1990-2003) 

Family Encyclopedia Series:
- Encyclopedia of Home Maintenance ("Tnayin tntesutyan hanragitaran", 1997)
- The Popular Medical Encyclopedia ("Bjshkakan hanramatcheli hanragitaran", 2001)
- The Flora and Fauna of Armenia (Hayastani bnashkgar, 2002)

Thematic Encyclopedias:
- The Armenian Question ("Haykakan Harc", 1991 in Russian, 1996 in Armenian)
- Christian Armenia ("Qristonya Hayastan", 2002)
- The Armenian Diaspora ("Hay Spyurq", 2003)
- The Karabagh Liberation War 1988-94 ("Kharabakhyan Azatagrakan Paterazm: 1988-94", 2005) 
- Who is who: Armenians ("Ov, ov e hayer" in 2 volumes, 2005-07)
- Armenia: Encyclopedia (Hayastan hanragitaran), 2012

School Encyclopedias:
- What? Who? ("Inch e, ov e" in 4 volumes, 1984-87)
- Voskeporik ("Children’s Encyclopedia in 3 volumes". 1990-99)
- The Big School Encyclopedia ("Dprocakan mec hanragitaran" in 2 books, 4 volumes, 2007 - 2010)