@misc{Ostrowski_Józefat_Bolesław_(1803-1871)_Letter,
 author={Ostrowski, Józefat Bolesław (1803-1871)},
 address={London},
 howpublished={online},
 publisher={J. Unwin, Gresham Steam Press},
 language={eng},
 type={broszura},
 title={Letter addressed to Madam Blanche Shakspeare de Trepka on the relations between England and Poland},
}