Rujukan Institusi_Smithsonian

  1. ↑ Barlow, William (1847). The Smithsonian Institution, "for the Increase and Diffusion of Knowledge Among Men": An Address on the Duties of Government, in Reference Chiefly to Public Instruction : with the Outlines of a Plan for the Application of the Smithsonian Fund to that Object. B.R. Barlow. 
  2. ↑ "About Us". Smithsonian. Smithsonian Institution. Diarkibkan daripada yang asal pada March 7, 2017. Dicapai March 8, 2017. 
  3. ↑ "Smithsonian History > National Museum of American History". Smithsonian Institution. Diarkibkan daripada yang asal pada June 23, 2013. Dicapai June 21, 2013.