| Thomas Houseworth Six photographic views: Vernal Falls, Mirror Lake, Yosemite Falls, felled Original Big Tree, Wm. Cullen Bryant tree, and Houseworth & Co. office in San Francisco n.d. Carte de visite UCR - University of California, Riverside Gift of Mr. Richard N. Pitman, Accession Number: 2007.0032.0019 LL/75920
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