Ivan Aleksandŭr
Czar of Bulgaria
-1371
Ivan Aleksandŭr
Czar of Bulgaria
d. 1371
Ivan Alexander
Czar of Bulgaria
Mechev, K. S. Pokrovitel na knizhninata, 1977: t.p. (Tsar Ivan Aleksandŭr) p. 5 (ruled Bulgaria 1331 thru 1371) p. 47 (d. 2/17/1371)
Bu 77-2700 (Tsar Ivan Aleksandŭr)
Kratka bŭlg. entsikl., 1963-69 (Ivan-Aleksandŭr, bŭlg. tsar 1331-1371)
Enc. brit., v. 4, 1972 (Ivan Alexander, tsar of Bulgaria 1331-1371)
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