Format explanations etc.
Potulice Potulitz (Bydgoszcz-Land) 5307 1742 BY
Civil registry (=Ślesin)
USC Nakło nad Notecią
State Archive in Bydgoszcz
B 1874-
M 1874-
D 1874-
LDS microfilms
BMD 1874-1875 B 1876 1194888 #13-19
MD 1876 1194889
D 1881 BMD 1882 1194890 #1-4
M 1874 D 1874-1875 BM 1875 BMD 1876 BM 1877 1194915 #7-15