Proceedings of the IRE volume 37 number 4, April 1949.
IRE 1949, pp 338 - 464 inclusive, plus sep. numbered adverts. at front and rear. Whole issue in original wraps, as issued.
IRE 1949, pp 338 - 464 inclusive, plus sep. numbered adverts. at front and rear. Whole issue in original wraps, as issued.
IRE 1949, pp 466 - 592 inclusive, plus sep. numbered adverts. at front and rear. Whole issue in original wraps, as issue.
IRE, 1954, 5 pages, 8.5x11, stapled in upper left corner, typescript on Institute of Radio Engineers letterhead.
IRE group on information theory, 1957, 82 pages, double-column text, photos, diagrams, references.