by Lewin , Benjamin | .
by Tauro , P | .
by A.S.A.C. Chaudler | Clark P. Read.
by Thomas C. Cheng | .
by K.A. Fox | .
by Norman L. Johnson | Fred C. Leone.
by William G. Cochran | .
by Marcus Franda | .
by Satish C. Seth | .
by Carl F. Christ | .
by Edwin H. Colbert | .
by Paul H. Mussen | .
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