February ll^., 1933 Dr.

// / / IN TEROFFICE CORRESPONDENCE Et h y l Ga s o l i n e CG: D r.

October 8, 1935 Mr.

Tur: St a n d a r d O i l C o m p a n y (A s O m O C O K I ' O R A T I O N ) Ol.EVKI.AND U r.

CABLEGRAMS: ETHYLPORT, LONDON.

CABUEGRAMS.

M Hu m b l e Oi l &He e i m s 'BCo m p a c t '**&*':3* C.

Et hyl Gasol ine Corporat ion Rksear oh Labor at or ires 72) East Mil waukkb Avenit k De t r o it , Mic h ig a n' July 29, 1938.

M.

December 8, 1935 Mr, Philip Drinker Harvard School of Public Health 55 ^an ^yka Street Boston- Mass. *' f' Dear Mr.

1_.

June 27, 1935 Mr* A.

I tl December 7, 1936 L r.

/ June 15, 1937 Hr.

June 11, 1930 Ml*.