/ v.

.JfcmoHAL ISFORa-VTION i\"* i & iij-*.' ' ft t h e c h e st s o aiuny (not all) oi the ;t;: in the o ld er ape ^roup The- tcrn&nal s.

May 4, 1959 Dr.

\ r September 6, 1951 Dr.

ET H Y L CORPORAT I ON RESEARCH AND ENGI NEERI NG DEPARTM ENT RESEARCH LABORATORIES * 1600 WEST EIGHT MILE ROAD FERNDALE 20, DETROIT, M I CHI GAN A ugust 6, 1954 D r .

v June 6, 1958 ALBERT E.

TH E JOURNAL OF INDUSTRIAL H YGIENE AND TOXICOLOGY HARVARD SCHOOL OF PUBLIC HEALTH ^ M an agin g Editors Ph il ip Dr in k er Ma r g a r e t S.

/\+ C , / t - /..

k,January 1952 Dr.

February 20, 1956 Mr. j.

Jf-- pR L\~ !

March 10, 1951 Mr.

**"*!

October 3, 1956 Dr* S.

.yyv N TER-O FFIC E CORRESPONDENCE E t f iY i, Ga s o l i n e Co r p o r a t i o n )%mk Ch r y s l e r Bu il d in g IIP 1 3 5 Ea s t 4 2 n d S t r e e t NEWYORK July 9, 1951.