2 literature references for Lasioderma testaceum (Duftschmid, 1825):

Author: White, Richard E.
Year: 1982
Title: A catalog of the Coleoptera of America north of Mexico. Family: Anobiidae
Source: US Department of Agriculture, Agriculture Handbook
Author: Duftschmid, C. E.
Year: 1825
Source: Fauna Austriae. Oder Beschreibung der oesterreichischen Insecten, fuer angehende Freunde der Entomologie, vol. 3