Image credits from homepage, top to bottom:

Poleni, T. , ?, Lithographer, and Thomas Hunter. Independence Hall. Philadelphia/ Theodore Poleni. Philadelphia Pennsylvania, ca. 1875. [Phila.: Published by Thos. Hunter, Lithographer, 716 Filbert St., 1875, Oct. 30] Photograph. https://www.loc.gov/item/2009633673/.

Detroit Publishing Co., Copyright Claimant, and Publisher Detroit Publishing Co. Independence Hall Assembly Room, Philadelphia, Pa. United States Pennsylvania Philadelphia, ca. 1905. Photograph. https://www.loc.gov/item/2016799908/.

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