Threatened Species. 2012 [26 November 2013]. old-form url Newton, Alfred & Gadow, Hans Friedrich. On additional bones of the Dodo and other extinct birds of
2678–2689. S2CID 91541852. doi:10.1111/jbi.13450. Newton, Alfred & Gadow, Hans Friedrich (1893): On additional bones of the Dodo and other extinct birds