Engineering and Operations in the Bell System HC 2nd edition AT&T Bell Lab

Engineering and Operations in the Bell System Hardcover 2nd Ed. from 1982-1983

Engineering and Operations in the Bell System AT T Bell Laborato

Engineering & Operations in the Bell System 1984 1st Print AT&T Bell Labs HB

IBM Personal Computer Hardware Reference Library Guide to Operations 1984

IBM Guide to Operations Third Edition 1988

Radio Shack TRS80 Level II Basic Reference Manual Second edition circa 1979

System Commander Version 7 User Manual VCOM Computing Guide Windows Linux (2001)