Conde Balcom McCullough
-
Weingardt, Richard G. (2011): Conde Balcom McCullough. In: Leadership and Management in Engineering (ASCE), v. 11, n. 4 (October 2011), pp. 328-336.
https://doi.org/10.1061/(asce)lm.1943-5630.0000143
-
Hadlow, Robert W. (2001): Elegant Arches, Soaring Spans. C.B. McCullough Oregon's Master Bridge Builder. Oregon State University Press, Corvallis (USA), pp. 211.
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Jackson, Donald C. (1984): Great American Bridges and Dams. A National Trust Guide. John Wiley & Sons, New York (USA), pp. 304.