In the time of his reign (Anastasius), the Thracian Vitalian kept under some pretense by using of the exiled bishops, and he took Thrace, Scythia and… - Gančo Cěnov

In his present volume, Tsenov gives a careful and interesting account of the complex historical events in the second half of the first century, which preserves its value even if one disagrees with some of his claims.

It is important that Tsenov's facts show that the Bulgarians have been in the Balkans since the 4th century, with which the author has even shaken the general opinion about the founding of the Bulgarian state in 679 by a handful of Mongol Bulgarians."

"Dr. Tsenov, who has been a lecturer at Berlin University for years, has a double merit. He again gives us a new composition on the oldest story of the Bulgarians, which, almost 50 years after the old history of Konstantin Irechek, occupies a prominent place. It brings the Bulgarians to the many difficult-to&reach Latin, Byzantine and Old Slavic sources. The origins of the Southeastern countries and church history are, in any case, set by Tsenov for us in Central Europe in a new light.