DescriptionFamilie Stockente.pdf Familie Höckerschwan Familie Blaumeise Source Own work; for the pictures: Seite 1: File:Female Mallard and ducklings in...
Archive Internet Archive ID: materialienzuein04reis described at URL: https://archive.org/download/materialienzuein04reis/materialienzuein04reis.pdf...
OCLC: 1085647750 Source Internet Archive identifier: thierederheimath02ml https://archive.org/download/thierederheimath02ml/thierederheimath02ml.pdf...
zoologischegarte6019unse Source Internet Archive identifier: zoologischegarte6019unse https://archive.org/download/zoologischegarte6019unse/zoologischegarte6019unse.pdf...
file OCLC: 1085595759 Source Internet Archive identifier: systematischeb00jc https://archive.org/download/systematischeb00jc/systematischeb00jc.pdf...
bub_gb_z6U_AAAAYAAJ https://archive.org/download/bub_gb_z6U_AAAAYAAJ/bub_gb_z6U_AAAAYAAJ.pdf IA contributor: Columbia University IA digitizing sponsor: Google...
aquila28magy Authority file OCLC: 1039975360 Source Internet Archive identifier: aquila28magy https://archive.org/download/aquila28magy/aquila28magy.pdf...
846849651 Source Internet Archive identifier: mittheilung1617189293orni https://archive.org/download/mittheilung1617189293orni/mittheilung1617189293orni.pdf...
page. Source Internet Archive identifier: zoologischegarte5519unse https://archive.org/download/zoologischegarte5519unse/zoologischegarte5519unse.pdf...
1043652947 Source Internet Archive identifier: journalfrornit491901deut https://archive.org/download/journalfrornit491901deut/journalfrornit491901deut.pdf...