found: Livingston, E. Tradition and modernism in the shtetl, 1986:CIP t.p. (Aisheshuk) galley (Ejszyski, Eiseskes, founded in 1070, according to one source)
found: Lietuviškoji tarybinė encikl., 1976-1984:v. 6, map between p. 576 and p. 577 (Eišiškės)
found: Atlas SSSR, 1983:p. 29 (Ėĭshishkes)
found: BGN(phone call 4-8-86) (approved form: Eišiškės; ppl.; 54°10ʹN, 25°00ʹE; variants: Eyshishkes, Eyshishki, Malyye Eyshishki, Aišiškės, Eiszyaki, Ejszyszki, Yeyshyshki)
found: There once was a world, 1998:CIP t.p. (Eishyshok [Yiddish form of name]) pub. info (Eisysky) galley (Polish form of name: Ejszyszki; Lithuanian form of name: Eisiskes)