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Mary E. Ewan and others. Letter from the Assistant Clerk of..
United States congressional serial set ; serial set no. 6182;Senate document / 62nd Congress, 2nd session. Senate ; no. 826
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Memoirs of the National Academy of Sciences. Volume XXII
United States congressional serial set ; serial set no. 8418;Senate document / 68th Congress, 2nd session. Senate ; no. 231
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