UNIVERSITY OF COLORADO MAR 3 9 1966

MEDICAL CENTER

4200 EAST NINTH AVENUE
DENVER , COLORADO 80220

DENIBON MEMORIAL LIBRARY March 28 1966
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Dr. Joshua Lederberg
Stanford University School of Medicine
Palo Alto, California 94304

Dear Joshua:

I am sending along two more references which belong to your
previous search 60164. These were obtained through search of the
1966 tapes — over 40,000 citations.

I am also sending along 10 references which pertain to your
new search 60172. These are also from the 1966 tapes. We will
have to wait to run the 1964-65 portion of this search until a
suitable batch comes up — hopefully in about two weeks.

With all the best.

Yours aye,

Spek

Frank B,. Rogers, M. D-.
Librarian

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