Несебыр - map search
Topographic map k35-2 of scale 1:500 000
Russian - Soviet military - 1940 - 5Mb -
Topographic map k35-16 of scale 1:200 000
Russian - Soviet military - 4Mb -
Topographic map nk35-05 of scale 1:250 000
English - US military - 1956 - 6Mb -