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.
American Telephone & Telegraph Co, NY, n.d., ca. 1941 and 1952; 48 pages and 32 pages.
American Telephone & Telegraph Co, NY, n.d., ca. 1952; 32 pages.
AT&T, NY 1959, 1,603 pages plus index at rear; also bound-in are contents of monographs; diagrams, photographs, references.
American Telephone and Telegraph Co., NY 1965, pp 547-729 inclusive, diagrams, some photos, references.