Report regarding ion chamber measurements made of the external environmental radiation in various location in the United States during the summer of 1957.

A letter addressed to the wife of a parolee from L. V. Porterfield, Supervisor of Classification, Oklahoma State Penitintiary, dated March 11, 1958. Porterfield requests information from the wife of Subject 60604 regarding the background and personal life of subject.

A letter addressed to the Director of the Texas State Dept. of Public Welfare, Austin, Texas, from L. V. Porterfield, Classification Supervisor, Oklahoma State Penitentiary, McAlister, Oklahoma, dated March 11, 1958 and is a request for information on the background and personal life of Subject 60604.

Inter-office letter from Isaac Herbert Kempner, Jr., to Harris Leon Kempner mentioning that Imperial Sugar Company cannot put its name on any fence. If it does, they'll have to do that in every city in Texas and Oklahoma. He mentions that he turns down these things every day and adds that they should do no advertising and no contributions to these organization, if he wanted to he could do on his own name but not under the company and then he'd have a busy summer answering all the letters and inquiries.

Letter from Thos. L. James to D. W. Kempner discussing new suggestions from hay suppliers and their prices.

Letter from A. H. Blackshear, Jr. to I. H. Kempner discussing a copy of a telegram received from Oklahoma about property in Haskell County and a letter from Crown Central Petroleum Corporation regarding the same property. He also mentions his upset over Pete's death and a personal letter from O. R. Seagraves.