| Unidentified photographer Plaza, Saltillo, Mexico, to N.E. 1847-1848 (ca) Daguerreotype 8 x 10 cm Yale University, Beinecke Rare Book and Manuscript Library Yale Collection of Western Americana, Beinecke Rare Book and Manuscript Library, Call number: WA Photos 26, Image ID number: 1005274 LL/38164
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