Bulgariia v srednovekovnata morska karktografii︠a︡ XVI-XVII vek /
Dimitrov, Bozhidar.
Sofii︠a︡ : Nauka i izkustvo,
1984.
Summary in French, Russian and English: "Bulgaria in the medieval maritime mapmaking".
T.p. on cardboard pasted on p. 2 of cover.
Text on narrow pages: 42 x 11 cm.
70 colour illustrations of portolan charts and early sea charts, each showing part of Bulgaria.
Bibliography: p. 24-[27].