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19. Ballard, D. B. and Yakowitz, H.; "Mechanisms Leading to the Failure of the Point Pleasant, West Virginia Bridge - Part 3," National Bureau of Standards Report No. 9981 to U.S. Bureau of Public Roads, dated September 17, 1969.
20. Feinberg, I. J.; "Metallurgical Examination and Mechanical Tests of Material from the Point Pleasant, West Virginia Bridge - Part 4," National Bureau of Standards Report No. 9981 to the U.S. Bureau of Public Roads, dated June 1, 1970.
21. Feinberg, I. J.; "Metallurgical Examination and Mechanical Tests of Material from the Point Pleasant, West Virginia Bridge - Part 5," National Bureau of Standards Report No. 9981 to the U.S. Bureau of Public Roads, dated June 10, 1970.
22. Feinberg, I. J.; "Examination of Fractures in the L12-L13 Lower Chord Member of the Point Pleasant, West Virginia Bridge," National Bureau of Standards Report 312.01/07 to the U.S. Bureau of Public Roads, dated June 10, 1970.
23. Feinberg, I. J.; "Examination of the Fractured Rivets in the Bearing Box of Joint U13N of the Point Pleasant, West Virginia Bridge," National Bureau of Standards Report, Part 7, to the U.S. Bureau of Public Roads, dated July 3, 1970.
24. Mindlin, H. et. al.; "Inspection and Evaluation of Two Steels from the Silver Bridge," Battelle Memorial Institute Columbus Laboratories report to the U.S. Bureau of Public Roads dated May 1970. Participating authors: Feddersen, C and Malik, K. - Structural Materials; Ireland, D. - Materials and Environmental Engr.; Berry, W. and Lane, W. C. - Corrosion Research; Meister, R. and Flox, R. - Materials Joining Engr.; Groeneveld, T. - Ferrous Metallurgy; and Crites, N. and Mesloh, R. - Applied Soil Mechanics.
25. Phelps, E. H.; "Examination of Point Pleasant Bridge Eyebars," Applied Research Laboratory, U. S. Steel Corp., Report dated May 18, 1970, with Appendices by Bomback, J. L. and Marin, W. L.
26. Nishanian, J.; "Fatigue Characteristics of Steel Used in the Eyebars of the Point Pleasant Bridge," Staff Report, Office of Research and Development, U.S. Bureau of Public Roads, dated June 5, 1970.