Title: Boris Drangov : sbornik materiali i nauchni izsledvanii︠a︡ /
Authors: I︠A︡nakiev, Nikolaĭ.; Nat︠s︡ionalen t︠s︡entŭr po voenna istorii︠a︡ (Bulgaria)
Publisher: Voennoizdatelski kompleks "Sv. Georgi Pobedonoset︠s︡",
Year: 1993
Subjects: Drangov, Boris,; Soldiers Bulgaria Biography; Bulgaria History; Bulgaria History, Military.; Macedonia History; Macedonia History