Coleoptera und Lepidoptera

This is an entomological dealer's price list for specimens of Coleoptera (beetles) and Lepidoptera (butterflies and moths) listed by scientific name in systematic order. Purchased in 1933 when it was thought to be the only copy in the U.S.  - there are about 8 copies known in the U.S. now -  it was received in loose sheets and bound for safe-keeping by J.C. Bridwell[?] according to a note signed "Feb 1936 HSB" that is laid in at the front. "HSB" is probably Herbert Spencer Barber (1882-1950).  He was a specialist on beetles in the Division of Insect Identification of the U.S. Department of Agriculture who worked at the National Museum.