Humphreys, G. H. W. The manufacture of sole and other heavy leathers / by G.H.W. Humphreys with the assistance of C.R. Jones. - 1st ed. - viii, 218 p. : ill. ; 20 cm. - The Commonwealth and international library . Includes index. ISSN: 65-28559 Subjects--Topical Terms: Leathers.Leather industry and trade.