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Inglés

Abyssinian wolf (Canis simensis) painted by Louis Agassiz Fuertes, Album of Abyssinian birds and mammals. Biodiversity Heritage Library.
Bateleur eagles (Helotarsus ecaudatus) painted by Louis A. Fuertes, Album of Abyssinian birds and mammals. Biodiversity Heritage Library.
Louis Agassiz Fuertes, The Osprey, v.1. Biodiversity Heritage Library.
Wresthrush (Zeledonia coronata), Ibis, ser.8, v.5. Biodiversity Heritage Library.
New Cuban Urocoptidae I "The Nautilus, v.25"
Plate 23 from "The cyclophorid operculate land mollusks of America"
El cuaderno de Cleofe Calderon, Colombia?
Cover of Cleofe Calderon's notebook, Panama 1971
Cover of Cleofe Calderon's notebook, Brasil 1974
Cover of Cleofe Calderon's notebook, Colombia 1981
Cover of Cleofe Calderon's notebook, Brasil 1972, 2
Page from Cleofe Calderon's notebook, Brasil 1972