Georgi Petkov

1951

• Bankovoto delo v Bŭlgarii͡a︡
• Mezhdunarodnata deĭnost na Otechestvenii͡a︡ front
• Stishnii͡a︡t prolog v starata bŭlgarska, srŭbska i ruska literatura (XIV-XV vek)
• The international activity of the Fatherland Front
• Zookhigienni problemi na promishlenoto zhivotnovŭdstvo v Narodna Republika Bŭlgarii͡a︡