@misc{Rutkowski_Jan_(1886-1949)_Skup,
 author={Rutkowski, Jan (1886-1949)},
 howpublished={online},
 publisher={Drukarnia Dziennika Poznańskiego (Poznań)},
 publisher={Filia w Poznaniu (Gebethner i Wolff)},
 language={polski},
 language={francuski},
 title={Skup sołectw w Polsce w XVI wieku},
 type={book},
 keywords={rural self-government, history of administration, Poland},
}