BLANDFORD,Percy. W. Old Farm Tools and Machinery:An Illustrated history. Old Farm Tools and Machinery:An Illustrated history/Percy .W.Blandford - Great Bratain. David Charles. 1976. - 188p.: col.ill.;picture; 21cm. Include index. ISBN: 0-7153-7151-7 LC Class. No.: 631.3 Dewey Class. No.: 631.3