[Ithaca]: New York State School of Industrial and Labor Relations / Cornell University, 1968. Offprint. Octavo (23cm.); publisher's blue staplebound wrappers; -132pp.; text printed in double columns. Light wear from handling, else Very Good or better. Industrial Labor Relations Reprint Series no. 237. Article first published in "The Annals of the American Academy of Political and Social Science," Vol. 375, January, 1968.