http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f1-subject=Arithmetic;smode=advanced;subject=Ohio imprints 1849;subject-join=exact) http://catalog.wrhs.org/collections/search?docsPerPage%3D100;f1-subject%3DArithmetic;smode%3Dadvanced;subject%3DOhio%20imprints%201849;subject-join%3Dexact Results for your query: docsPerPage=100;f1-subject=Arithmetic;smode=advanced;subject=Ohio imprints 1849;subject-join=exact Thu, 01 Jan 1970 12:00:00 GMT Rainey's improved abacus: an explanatory treatise on the theory and practice of arithmetic and mensuration ; in which the general principles involved in practical calculations are thoroughly elucidated and illustrated by numerous analytic and abbreviated examples. Rainey, Thomas. http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT