The Bell System Technical Journal 1956 LOT of 2 individual issues, volume XXXV numbers 5, 6; September 1956, November 1956.
AT&T BSTJ 1956, pp. 991-1466 in 2 separate issues; diagrams, references.
AT&T BSTJ 1956, pp. 991-1466 in 2 separate issues; diagrams, references.
AT&T BSTJ, pp 921 - 1247 inclusive, references, diagrams, photographs.
AT&T BSTJ, pp. 1431 - 1680 inclusive, diagrams, references.
AT&T BSTJ, pp. 1355 - 1505 inclusive, diagrams, references.
BSTJ, American Telephone & Telegraph, 1958, pp 581-834 inclusive, references, photographs, diagrams.
AT&T BSTJ 3 individual issues 1957, diagrams, references.
AT&T BSTJ 1965 pp. 373-935 in 3 separate issues; diagrams, references.
AT&T BSTJ four individual issues 1970, diagrams, references.
AT&T BSTJ 1977 individual issues, diagrams, references.
AT&T BSTJ, 1954, volume XXXIII nos. 2, 4, 5, diagrams, references.
AT&T BSTJ 1969, February, March; pp. 321-816 in 2 individual issues; diagrams, references.
AT&T BSTJ, pp. 2417 - 3019 inclusive, references, diagrams.
AT&T BSTJ, pp 1 - 206 inclusive, diagrams, references.
AT&T BSTJ 1958, diagrams, references; three individual issues.
AT&T, pp 1609 - 1994 inclusive, references, diagrams, photographs.
AT&T 1970, pp 159-320, references, diagrams, photographs.
AT&T, BSTJ, pp 1319-1513 inclusive, photographs, diagrams, references.
AT&T 1952 var. pagination, diagrams, references, photographs.
AT& 1959, pp. 1 - 304 inclusive, references, diagrams, photographs.
AT&T 1956; pp 1 - 245 inclusive; photographs, diagrams; references.
American Telephone & Telegraph Co, 1958; i-vi, pp 1091-1326, illus, photos, references.
American Telephone & Telegraph Co, NY, n.d., ca. 1941 and 1952; 48 pages and 32 pages.
American Telephone & Telegraph Co, november 1958, pp 1327-1672; illus, photographs, references.
American Telephone & Telegraph Co, march 1956; pp 249-534; illus, photographs, refs; charts foldouts.