Letter to Mr Charles E. Hughes 21/13/1922
Banting, Frederick Grant, Sir, 1891-1941
[Toronto]
November 21 1922
1 leaf ; 28 x 21 cm.
Carbon copy of typescript letter. Banting asks Mr. Hughes to support Collip and Best's application for the U. S. patent on insulin.
insulin:L10317
MS. COLL. 76 (Banting), Box 1, Folder 23 Title based on content of letter.
Hughes, Charles Evans, 1862-1948Insulin - Patents