Proceedings of the ninety-first annual conference of the American Railway Bridge & Building Association : held at Chicago, Illinois, September 15 - 17, 1986

American Railway Bridge and Building Association | TIBKAT | 1987

Proceedings of the ninety-ninth annual conference of the American Railway Bridge and Building Association : held at Chicago, Illinois, September 19 - 21, 1994

American Railway Bridge and Building Association | TIBKAT | 1995

Proceedings of the eighty-third annual convention of the American Railway Bridge & Building Association : held at Chicago, Illinois, September 18 - 20, 1978

American Railway Bridge and Building Association | TIBKAT | 1978

Proceedings of the eighty-sixth annual conference of the American Railway Bridge & Building Association : held at Chicago, Illinois, September 14 - 16, 1981

American Railway Bridge and Building Association | TIBKAT | 1981

Proceedings of the eighty-eighth annual conference of the American Railway Bridge & Building Association : held at Chicago, Illinois, September 12 - 14, 1983

American Railway Bridge and Building Association | TIBKAT | 1983