Philadelphia's 1876 Centennial Exhibition  (PA)  (Images of America)
Linda P. Gross is the reference librarian at the Hagley Museum and Library in Greenville, Delaware, and Theresa R. Snyder is the deputy director for library administration. They have researched extensively on the Philadelphia Centennial Exhibition and prepared the Hagley exhibit entitled Centuries of Progress: American World's Fairs, 1853 to 1982.