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Harria Isbell, M. D. Adaiction Research Center USPHS ospitel, P. 0. Bo 2000 Lexington, Kentucky

Dear Dr. Isbell:

It was a great convenience to me that you vere able to stop cver in Washington. I hope that the rest of your visit here vent vell and that jou had a pleasant trip hore.

I am enclosing the data sheets that you left here. I vould appreciate copies of any other that may become available to you.

The news that you will not be able to go to Europe this fall is a disappointment to us of course, but we trust you will hava a like opportunity at sore future tine.

Sincerely yours,

Enclosure - 3 Lato Sheets (b(3)

14 June 1957