Burnham and Root: Brief profile of the partners with a selected list of works.
Burnham and Root: Profiles of the partners and a brief description of the Monadnock Building.
Chicago Landmarks: Daniel Burnham: Biography and information about his projects in the city.
Daniel Hudson Burnham: An illustrated review of his career and major architectural commissions.
Reliance Building: Photographs of the landmark early Chicago skyscraper.
The Rookery: Photographs of Burnham and Root's famous 1888 office building in Chicago.
Wikipedia: Daniel Burnham: Biographical article from publicly-editable encyclopedia.