No access restrictions Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at osiaref@si.edu
Smithsonian Associates guide to the nation's capital and the Smithsonian Institution : with detailed map of historic Washington and an exclusive walking tour of Georgetown / Smithsonian Associates ; [project director, Mary Grace Potter ; text/map coordinators, Wendy Lim and Jane Gardner]