Copy of letter Dr. LeClercq sent Dr. G. H. A. Clowes. Includes typescript cover letter written by F. Clark, Dr. Clowes' secretary. Dr. LeClercq wrote to Dr. Clowes requesting that insulin be sent to him first in the United States then later in Europe. Dr. Clowes responded to this letter and also wrote to J. G. Fitzgerald about Dr. LeClercq's request on June 1, 1923.