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1371. Letter from Francis Crick to Georg Kreisel

1372. The Genetic Code for Proteins

1373. Letter from Francis Crick to Francois Jacob

1374. Letter from Francois Jacob to Francis Crick

1375. Letter from Vernon M. Ingram to Francis Crick

1376. Letter from Francis Crick to Vernon M. Ingram

1377. Letter from Francis Crick to Vernon M. Ingram

1378. Letter from Vernon M. Ingram to Francis Crick

1379. Letter from Francis Crick to David Harker