Siddall, James N. Mechanical design reference sources / [by] James N. Siddall. - [Toronto] : University of Toronto Press, [1967] LCCN: 68075069 Nat. Bib. No.: C*** Subjects--Topical Terms: Mechanical engineering -- Bibliography.--Mechanical engineering -- Bibliography. LC Class. No.: Z5853.M2 / S5 Dewey Class. No.: 016.621