| Detroit Publishing Co. [Trafalgar Square and National Gallery, London, England] 1890-1900 (ca) Photochrom Library of Congress, Prints and Photographs Division Digital Id: ppmsc 08573 //hdl.loc.gov/loc.pnp/ppmsc.08573, Library of Congress Control Number: 2002696934, Reproduction Number: LC-DIG-ppmsc-08573 (digital file from original) LL/103062
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