"Having been based upon Killing, setting, and storing butterflies and moths, AES leaflet no. 28, originally published in 1956, and revised in 1972 and 1988."
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Preparing and maintaining a collection of butterflies and moths by Peter R. May. ISBN 0900054719. Published by Amateur Entomologist' Society in 2006. Publication and catalogue information, links to buy online and reader comments.
