@book{UBHD-1091056, author={Heinroth, Oskar and Heinroth, Magdalena}, title={Sperlingsv{\"o}gel, Rackenv{\"o}gel, Kuckuck, Spechte}, publisher={Berm{\"u}hler}, address={Berlin-Lichterfelde}, year={1926}, pages={VIII, 339 S.}, language={ger}, library={UB [Signatur: O 682-34 Folio::1]}, }