Shumenskata krepost--tvŭrdina prez vekovete
By: Vera Antonova.
Publisher: DI "Septemvri,"
Published: 1981
Place of publication: [Bulgaria]
Language: bul
Number of pages: 87
Subjects: Shumenskata krepost (Bulgaria)
Other titles: Shoumen fortress, a powerful stronghold through the ages.
Notes: Includes bibliographical references.
Titles on p. 3 also in English, German, and Russian; English title: The Shoumen fortress, a powerful stronghold through the ages.
Summary and list of ill. in English, German, and Russian.