http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f4-subject=Colburn, Zerah, -- 1804-1840) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f4-subject%3DColburn,%20Zerah,%20--%201804-1840 Results for your query: docsPerPage=100;f4-subject=Colburn, Zerah, -- 1804-1840 Thu, 01 Jan 1970 12:00:00 GMT A memoir of Zerah Colburn: written by himself. Containing an account of the first discovery of his remarkable powers; his travels in America and residence in Europe; a history of the various plans devised for his patronage; his return to this country, and the causes which led him to his present profession; with his peculiar methods of calculation. Colburn, Zerah, 1804-1840 https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT