[Footnote T:  The Engineering Record, August 17th, 1907.]

[Footnote U:  “The Design of Walls, Bins and Elevators.”]

[Footnote V:  Engineering News, September 28th, 1905.]

[Footnote W:  The Engineering Record, June 26th, 1909.]

[Footnote X:  Railroad Age Gazette, March 26th, 1909.]

[Footnote Y:  Engineering News, April 9th, 1896.]

[Footnote Z:  “Structural Engineering:  Concrete.”]