Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1921)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1922)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1859)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1877)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1876)

[Icones Animalium et Plantarum] - Linné, Carl von, 1707 -1778 ([s.n.], 1776)

Icones animalium quadrupedum uiuiparorum et ouiparorum : quae in Historiae animalium Conradi Gesneri libro I. et II. describuntur, cum nomenclaturis singulorum latinis, graecis, italicis, gallicis, et germanicis plerunque, et aliarum quoque linguarum, certis ordinibus digestae - Gessner, Conrad, 1516 -1565 (Excudebat C. Froschouerus, 1560)