Format explanations etc.
Osowiec Ossowitz (Bydgoszcz-Land) 5311 1751 BY
Civil registry
USC Sicienko
State Archive in Bydgoszcz
B 1876-
M 1876-
D 1876-
LDS microfilms
BMD 1876 1191890 #23-24
D 1876 1191891 #1
BMD 1877-1881 1417580 #14-28
BMD 1882 1417581 #1-3