М. Ballagi,
Bartold
W. Bartold,
Bemeker
E. Berncker,
Beshevliev
V. Beshevliev, «Prvobolgarski nadpisi.» See Sources, I, 1.
BGA
Bibliotheca Gcographonim Arabicorum, ed. M. J. Goje (Leyden).
BNJ
Byzantisch-NeugriechischeJahrbucher.
Book of Annals
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
A. Brueekner, Dzieje Kultury Polskiej, I (Krakow, 1930)
Brueekner, Litwa
A. Bnieckner, Starozytna Litwa (Warsaw, 1909).
Bury
J.B. Bury, History of the Later Roman Empire, Vols. I -II (London, 1923).
Bury, Constitution
J.B. Bury, The Constitution of the Later Roman Empire (Cambridge, 1910).
Bury, Eastern
J.B. Bury, A History of the Eastern Roman Empire (London, 1912).
Bury,
J.B Bury, «The Imperial Administrative System in the Ninth Century,» British Academy, Supplemental Papers, I (London, 1911).
Bury,
J.B. Bury,
САН
Cambridge Ancient History.
Corpus der Griechischen Urkunden des Mittelalters und der neueren Zeit.
Charanis
P. Charanis,
Charmoy
F. Charmoy, Relation de Masoudy. See Sources, II, 2, F.
Charpentior
Jarl Charpentier, «Die ethnographische Stellung der Tocharer,»
Cleasby
Cross
S.H. Cross,
Da Costa
G. Da Costa-Louillet, «Y eut-il des invasions Russes dans l'Empire Byzantin avant 860?,»
Constantine Porphyrogenitus,
Constantine Porphyrogenitus,
Deguignes
Deguignes,
Doelger, Regesten
F. Doelger, Regesten der Kaisenirkundon des Ostroemischen Reiches,
Dopsch
A. Dopsch, Grundlagen der Europaischen Kulturentwicklung, I-II (2d ed. Vienna, 1923-24). There is a somewhat abridged English ed., under the title. The Economic and Social Foundations of European Civilization (New York and London, 1937). The German ed. is cited, unless otherwise stated.
Dvornik, Legendes
F. Dvornik, Les Legendes de Constantin et de Methode vues de Byzance (Prague, 1933).
Dvornik, Slaves
F. Dvornik, Les Slaves, Byzance et Rome au IX Siecle (Paris, 1926).
Ebert
M. Ebert, Suedrussand im Altertum (Bonn and Leipzig, 1921).
Eck
A. Eck, Le Moyen Age Russe (Paris, 1933).
EI
Encyclopaedia of Islam.
ESA
Eurasia Septentrionalis Antiqua.
Exc. Ins.
Excerpta de Insidiis, see Constantine Porphyrogenitus, Excerpta Historica, III. See Sources, II, 1.
Feher
G. Feher, «Les monuments de la culture Protobulgare,» AN, 7 (1931).
Fettich
N. Fettich, «Die Metallkunst der landnehmenden Ungam,» AN, 21 (1937).
FFC
FF Communications ed. for the Folklore Fellows (Helsinki).
FUF