found: Hasan, S.M. Sonargaon, 1982:t.p. (Sonargaon) p. 1 (Sunargong or Sunnergaum)
found: Isalāma, Āmirula. Sonāra Gām̐ẏera msrtikathā, 1989:t.p. (Sonāra Gam̐) p. 1 etc. (Sonāra Gām̐ or Subarṇa Grāma; was the capital of Bengal under the Khilji and Tughlak rulers during 13th-15th cent.)
found: Lippincott(Sonargaon, village in Dacca dist; was capital of Bengal under Khiljis (1296), Tughlaks (1330), and Afghan governors (1351-1608))
found: Iqlim Sonargaon, 2006:intro. (Suvamagrama)
notfound: BGN, 1-16-84.