2 literature references for Stegobium nanum (Kuester, 1849):

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: Kuester, H. C.
Year: 1849
Title: Die Kaefer Europa's
Source: Nach der Natur beschrieben, vol. 19