Plakans, Andrejs, Historical dictionary of Latvia /Andrejs Plakans. - Lanham, Maryland : Scarecrow Press, (c)1997. - xxvi, 193 pages : map ; 23 cm. LCCN: 96049234 Nat. Bib. No.: GB97-57306 LC Class. No.: DK504 / .H578 1997 DK504