Keywords: MainBuilding.jpg en Engraving View of the Main Building from the Jury Pavilion from Earl Shinn Walter Smith Joseph M Wilson Masterpieces of the Centennial International Exhibition Illustrated Philadelphia Gebbie Barrie 1876-78 vol 3 p lxxxix Smithsonian Institution Libraries http //www sil si edu/silpublications/worlds-fairs/WF_object_images cfm book_id 574 Earl Shinn Walter Smith Joseph M Wilson Masterpieces of the Centennial International Exhibition Illustrated Philadelphia Gebbie Barrie 1876-78 vol 3 p lxxxix Smithsonian Institution Libraries http //www sil si edu/silpublications/worlds-fairs/WF_object_images cfm book_id 574 1878 PD-USGov Demolished buildings in Philadelphia Buildings in Philadelphia Pennsylvania Main Exhibition Building Centennial Exposition |