The making of index numbers; a study of their varieties, tests, and reliability. - New York, A.M. Kelley 1967. - xxxiii, 538 p illus 22 cm. Reprint of the 3d ed., rev., 1927. Bibliography: p. 519-523. Subjects--Topical Terms: Index numbers (Economics) LC Class. No.: HB225 / .F5 1967