Guide to the exhibited series of insects in the Department of Zoology, British Museum (Nat. Hist.)
London,Printed by order of the Trustees,1909.
University of California Libraries (archive.org)
Public domain. The BHL considers that this work is no longer under copyright protection.
Evidence reported by paul nguyen for item guidetoexhibited00britrich on February 14, 2007: no visible notice of copyright; stated date is 1909.