1. Historical Archive of the Institute of Natural Sciences (AICN) at the National University of Colombia, Bogotá-Colombia,1946
2. Enrique Pérez Arbeláez. Su vida y su obra;Arango,1992
3. The shifting ground of Nature: Establishing an organ of scientific communication in Britain, 1869-1900;Baldwin;History of Science,2012
4. Making nature. The history of a scientific journal;Baldwin,2015
5. A passion for Birds. American ornithology after Audubon;Barrow,1998