by John E. Weaver | Frederic E. Clements.
by Arthur J. Eames | .
by Paul J. Kramer | .
by H. Macy | .
by V. A. Rice | .
by C. H. Eckles | .
by E. Mayr | .
by M. A. Jull | .
by Bradley Mpatten | .
by Clarence Henry Eckles | .
by W. H. Eckles | .
by Susanta K Roy | .
by Theodore W. Schultz | .
by DORNBUSCH, RUDIGER | FISCHER, STANLEY.
by Sinnott, E.W.
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