History 25 Historic buildings 20 Portraits 8 Signers 8 Portraits, American 7 Conservation and restoration 5 Biography 3 more ... Catalogs 3 Historic sites 3 Independence Hall (Philadelphia, Pa) 3 Military parades & ceremonies 3 Parades & processions 3 Art collections 2 Buildings, structures, etc 2 Capital and capitol 2 Chestnut St., 500 Blk 2 Exhibitions 2 Flags 2 Liberty Bell 2 Museums 2 Plasterers 2 Revolution, 1775-1783 2 Streets 2 Waterworks 2 American Revolution Bicentennial, 1976 1 Antiques 1 Architectural Plans--Philadelphia--20th century 1 Architecture 1 Architecture, American 1 Balloons (Aircraft) 1 Battlefields 1 Bicentenaire de la révolution américaine, 1976 1 Blizzards 1 Bridges 1 Broadsides 1 Capitols 1 Carpenter's Hall (Philadelphia, Pa) 1 Celebrations 1 Centennial celebrations, etc 1 Children playing in snow 1 less ...