Smithsonian Books is the US publisher covering categories where the Smithsonian's authority is unparalleled.
According to PR-model, smithsonianbooks.com is ranked 1,012,107th in multilingual Wikipedia, in particular this website is ranked 573,267th in English Wikipedia.
The website is placed before flyjersey.com and after cbseschool.org in the BestRef global ranking of the most important sources of Wikipedia.