by G.S. Maddala | .
by J. Johnston | .
by Robert Lekachman | .
by R. Rugh | .
by Harvey L. Gunderson | .
by Ernil L. Smith | .
by Abraham White | .
by Benjamin T. Burton | Willis R. Foster.
by Elizaberth B. Hurlock | .
by George Schwartz | .
by Sylvia Anderson Price | Lorraine Mecarty Wilson.
by Aurel Feteanu | .
by George W. Kisker | .
by W.G. Mcleau | E. W. Nelson.
by S. Timoshenko | D.H. Youngh.
by George S. Brady | .
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