Povest Vremennykh Let. See Sources, II, 3.
BP
Bolgarski Pregled.
Bromberg
J. Bromberg, «Toponymical and Historical Miscellanies,» Byz. 12 (1937), 151 — 180, and 449 — 475: 13 (1938), 9 -71.
Brosset
M. Brosset, Histoire de la Georgie, Vol. I (St. Petersburg, 1849); Vol. Ill, Additions et Eclaircissements (1851); Vol. IV, Introduction et Tables des Matieres (1858).
Browne
E. G. Browne, A History of Persian Literature under Tatar Dominion (Cambridge, 1920).
Brueckner