@misc{Humphrey_Grace_(1882-post_1951)_Poland,
 author={Humphrey, Grace (1882-post 1951)},
 address={Indianapolis},
 howpublished={online},
 publisher={The Bobbs-Merrill Company},
 language={eng},
 type={książka},
 title={Poland : the unexplored},
 keywords={Polska, opisy i relacje z podróży},
}