2 literature references for Stegobium pusillum (Gyllenhal, 1808):

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: Gyllenhal, L.
Year: 1808
Source: Insecta Suecica descripta. Classis I. Coleoptera sive Eleuterata, vol. 1