1. Maps C.21.f.12(56) Reference (shelfmark): Maps C.21.f.12(56) Title: Horticultural Hall, south entrance [Philadelphia Centennial Exposition]. Photographer: Unknown Scope & Content: Genre: Architectural Photography Close view of the entrance to the Horticultural Hall. Stereo half, arched top. Collection Area: Map Collections Languages: Not applicable Date Range: 1876 Extent: 1 item