Carnovsky, L. ,. (1969). Library Networks, Promise and Performance: The Thirty-third Conference of the Graduate Library School July 29-31, 1968. Chicago ; London: University of Chicago Press.

Carnovsky, Leon. Library Networks, Promise and Performance: The Thirty-third Conference of the Graduate Library School July 29-31, 1968. Chicago ; London: University of Chicago Press, 1969.

Carnovsky, Leon. Library Networks, Promise and Performance: The Thirty-third Conference of the Graduate Library School July 29-31, 1968. Chicago ; London: University of Chicago Press, 1969.