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 1969, February, March; pp. 321-816 in 2 individual issues; diagrams, references.
American Telephone & Telegraph Company, Engineering Director Data Communications, 1964 and 1967, 21 pages and 10 pages, double-column text, illustrations and some photographs.
American Telephone and Telegraph Co., NY 1963, pp 2501-2974 inclusive, diagrams, some photos, references.
American Telephone and Telegraph Co., NY 1965, pp 547-729 inclusive, diagrams, some photos, references.
AT&T, March 1965, pp 373-pp 546 inclusive, references, diagrams.
AT&T 1965, pp 207-372 inclusive, diagrams and photographs, references.
Bell Tel. Labs, NY 1947, 1956, 1963, 43 pages, diagrams, tables, references.
Bell Telephone System Technical Publications, monographs, 8.5x11 blue-gray covers, stapled bindings, var. pagination, 5-hole punched at margins.