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-third annual conference of the American Railway Bridge & Building Association : held at Chicago, Illinois, September 19 - 21, 1988

American Railway Bridge and Building Association | TIBKAT | 1989

Proceedings of the seventy-ninth annual convention of the American Railway Bridge & Building Association : held at Chicago, Illinois, October 1 - 3, 1974

American Railway Bridge and Building Association | TIBKAT | 1974

Proceedings of the 101st annual conference of the American Railway Bridge and Building Association : held at Chicago, Illinois, September 22 - 25, 1996

American Railway Bridge and Building Association | TIBKAT | 1997

Proceedings of the eighty-fifth annual conference of the American Railway Bridge & Building Association : held at Chicago, Illinois, September 15 - 17, 1980

American Railway Bridge and Building Association | TIBKAT | 1980