May 9, 1953
Dear Dr. Lederberg,
Working on a case of cytoplasmic inheritance in [ . . . ], the first account of which will appear in a few days in [ . . . ], I am very interested in your recent paper
Bell genetics and hereditary symbiosis.
Physiol. Rev 32, 1952, 403-430
I would appreciate it very much if you could send me a reprint of this paper if you have any available for distribution.  I will send my paper in exchange as soon as I get reprints.
Gratefully yours
H. Laven