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Start Over You searched for: Creator Jukes, Thomas H. (Thomas Hughes), 1906-1999 ✖ Remove constraint Creator: Jukes, Thomas H. (Thomas Hughes), 1906-1999 Format Text ✖ Remove constraint Format: Text Subject Genetic Code ✖ Remove constraint Subject: Genetic Code Subject Biological Evolution ✖ Remove constraint Subject: Biological Evolution Genre Letters (correspondence) ✖ Remove constraint Genre: Letters (correspondence)