Bisertsi [Bulharsko] - Historické mapy
Biserci, Bisertsi, Bisserzi, Brenitsa, Nasradin, Nastradan, Nastradun, Nastradăn, Nastradŭn, Nosredin, Бисерци
Související mapy
Europe in the XIX. century
Europe in the XIX. century (with the Third Military Survey)
Wallachia - Second military survey of the Habsburg Empire