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Start Over You searched for: Genre Photographic prints Remove constraint Genre: Photographic prints Publication Year 1940 to 1949 Remove constraint Publication Year: <span class="from" data-blrl-begin="1940">1940</span> to <span class="to" data-blrl-end="1949">1949</span>

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33. Barbara McClintock in lab

34. McClintock Siblings

35. Barbara McClintock

36. [Corn stalk specimen] (1)

37. [Corn stalk specimen] (2)

38. [Corn stalk specimen] (3)

39. [Corn stalk specimen] (4)

40. Low state Ac loci