The common crane. Plate I, Page 1 of F. E. Blaauw’s A Monograph of Cranes. H. (Heinrich) Leutemann, illustrator. Collections of the Smithsonian Libraries. Biodiversity Heritage Library, digitalizing sponsor. In the public domain due to age. via https://archive.org/details/monographcranes00blaa/page/I/mode/1upThe Mantchurian (sic) crane, adult and chick. Plate III, Page III of F. E. Blaauw’s A Monograph of Cranes. H. (Heinrich) Leutemann, illustrator. Collections of the Smithsonian Libraries. Biodiversity Heritage Library, digitalizing sponsor. In the public domain due to age. via https://archive.org/details/monographcranes00blaa/page/III/mode/1upThe hooded crane. Plate IV, Page IV of F. E. Blaauw’s A Monograph of Cranes. H. (Heinrich) Leutemann, illustrator. Collections of the Smithsonian Libraries. Biodiversity Heritage Library, digitalizing sponsor. In the public domain due to age. via https://archive.org/details/monographcranes00blaa/page/IV/mode/1upThe American crane. Plate V, Page V of F. E. Blaauw’s A Monograph of Cranes. H. (Heinrich) Leutemann, illustrator. Collections of the Smithsonian Libraries. Biodiversity Heritage Library, digitalizing sponsor. In the public domain due to age. via https://archive.org/details/monographcranes00blaa/page/V/mode/1upThe Sarus crane. Plate VII, Page VII of F. E. Blaauw’s A Monograph of Cranes. H. (Heinrich) Leutemann, illustrator. Collections of the Smithsonian Libraries. Biodiversity Heritage Library, digitalizing sponsor. In the public domain due to age. via https://archive.org/details/monographcranes00blaa/page/VII/mode/1upThe Demoiselle crane, chick. Plate Xa, Page Xa of F. E. Blaauw’s A Monograph of Cranes. H. (Heinrich) Leutemann, illustrator. Collections of the Smithsonian Libraries. Biodiversity Heritage Library, digitalizing sponsor. In the public domain due to age. via https://archive.org/details/monographcranes00blaa/page/Xa/mode/1up