Source

source_1272839
	has URL  http://szyniec.pl/encyklopedia_ziemi_oleskiej_i_lublinieckiej.pdf,
	has URL  https://docplayer.pl/197499763-Encyklopedia-ziemi-oleskiej-i-lublinieckiej.html,
	has author  Grzegorz Szyniec,
	has title  Encyklopedia ziemi oleskiej i lublinieckiej,
	was published by  Grzegorz Szyniec;