/ May 9* 1953 Dr.

September 17, 1930 Dr# Graham Edgar, Ethyl Gasoline Laboratory, 320 Yonkers St#, Yonkers, H# Y# Dear Edgar: Mr* Taylor called my attention some days ago to some difficulties which one of your men, Mr# pgp-- * is having with his gumsand teeth# Taylor seems to think that perhaps^W|p>r some of the other men of the Laboratory regard nis difficulties as la part due to th absorption of lead# I should be glad to have your suggestion in th matter as to whether you think it worth while for us to look into this immediately, or whether it would be ust as well for us to allow it to go until one of my men visits your Laboratory in the course of the regular trip# 1 should be glad to do whatever you think is advisable.

September 30, 1929 Dr* Graham Edgar, Yonkers Laboratory, 320 Yonkers St#, Yonkers, If* Y# My dear Edgar; ' ' Thanks for your'letter of September 25* 1 shall be very grateful to you for getting together. the material of the distribution and concentration of lead* Take all the time you wish to.prepare it, for a great deal of our work will not be started before Decem ber and the report will not be completed for several months after that* I wish to take a sufficient amount of time with this study to cover everything we can find of any significance, as I stated before in the hope that we might complete the job this time.

A Textbook of Medicine Published by W .

April 20, 1932 Re; Employees of Standard Oil Co (Indiana) Detroit, Michigan On Friday April 15, 1932 a large empty storage tank was cleaned hy five employees.

D r.

ETHYL GASOLINE COHPOPATIOH CEHYSLEKHJILBIH& ,lew York, August 6 1937 Circular Letter Ho.

jti ETH YL CORPORATION r e se a r c h l a bo r a t o r ie s 1600 WEST EIGHT MILE ROAD FERN'DALE 20 DETROIT, MICHIGAN r .

ANDRIM R t.tT C H |A ,M ttlO (N r ' K c .

October 3, 1968 Professor Ronald E.

April 18, 1967 Mrs.

September 3, 1964 Miss Constance Lima, Medical Librarian Standard Oil Company of New Jersey 30 Rockefeller Plaza New York, New York (10020) Dear Jtlss Lima; I am pleased to have you-republish ay article on "Methods for the Prevention of Lead Poisoning in Industry" in your Company's Medical Bulletin.

July 7, 1974 Dear Dr.

Copy April 11, 1939.

LABORATORY OF AP P LIED P HYSIOLOGY UNI VERSI TY OF CI NCI NNATI COLLEGE OF MEDICINE GENERAL HOSPITAL October 26, 1932 Dr.