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Start Over You searched for: Author National Academy of Sciences Remove constraint Author: National Academy of Sciences Publish Year Decade 1910 - 1919 Remove constraint Publish Year Decade: 1910 - 1919

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22. Memoirs.

23. Memoirs.

24. Report. [calendar] year 1912.

25. Report. [calendar] year 1912.

27. Report, [calendar] year 1911.

28. Report, [calendar] year 1911.

29. Memoirs.

30. Memoirs.