^Information on Gilbert’s early life has not been found. His records at Indiana University were apparently destroyed in a fire in the zoology building (Dunn, 1997:276, footnote 6). Few of his records have survived at the University of Cincinnati (Dunn, 1997:276, footnote 7).
^Dunn، J. Richard (1997). "Charles Henry Gilbert (1859‒1928): Pioneer ichthyologist of the American West". في Pietsch، T. W.؛ Anderson, Jr.، W. D. (المحررون). Collection Building in Ichthyology and Herpetology. Spec. Publ. 3. Lawrence, Kansas: American Society of Ichthyologists and Herpetologists. ص. 265‒278. ISBN:978-0-935868-91-3.
