Keulemans Machaerirhynchus Nigripectus, Schlegel. Black-headed Boat-bill Bird Lithograph c1878.
Keulemans Pitta Sanghirana (Schlegel) male and juvenile. Lithograph c1878.
Keulemans lithograph of Phainoptila Melanonoxantha Flycatchers c1875
Keulemans Indicator Barianus. Honeyguides. c1875
Keulemans Lamprolia Victorae. Fijian Silktail with iridescent dark blue-green, c1875
J.G. Keulemans lithograph, Cecinus viridis (Green Woodpecker) c1878.
Extinct Dodo of Mauritius, with one-horned Ram. c1878
Extinct Mascarene Islands Water Birds antique print c1878.