MLA
tribune., National. John Brown's Tannery, Crawford County (Pa.), Built 1826. 1909. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/2322bvq867-cor.
APA, 6th edition
tribune., N. (1909). John Brown's tannery, Crawford County (Pa.), built 1826 (Box 69) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2322bvq867-cor.
Chicago
tribune., National. “John Brown's Tannery, Crawford County (Pa.), Built 1826.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1909. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2322bvq867-cor.