@book{UBHD-1141694, author={Siebert, Wilbur H.}, title={The underground railroad from slavery to freedom}, edition={[Nachdr. d. Ausg. New York 1898]}, publisher={Arno Press [u.a.]}, address={New York}, year={1969}, pages={XXV, 478 S.}, language={eng}, series={The American Negro}, library={UB [Signatur: 73 B 2299::78]}, }