The Bell System Technical Journal 1965 LOT of 3 individual issues Volume XLIV numbers 3,4,5 March, April, May-June.
AT&T BSTJ 1965 pp. 373-935 in 3 separate issues; diagrams, references.
AT&T BSTJ 1965 pp. 373-935 in 3 separate issues; diagrams, references.
AT&T, BSTJ, pp 1319-1513 inclusive, photographs, diagrams, references.
American Telephone & Telegraph Co, november 1958, pp 1327-1672; illus, photographs, references.
IBM 1986, 1987 pp 253-417 and 1-153 inclusive; double-column text, illustrations, references.
IEEE 1972, 1973, ten individual issues, approx. 20 pages each issue.
American Telephone and Telegraph Co., NY 1963, pp 2501-2974 inclusive, diagrams, some photos, references.
AT&T, March 1965, pp 373-pp 546 inclusive, references, diagrams.
Bell Telephone Laboratories NY April 1931, 58 pages, illlus., orig published BSTJ April 1931.