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Start Over You searched for: Authors Derby, Hasket, 1835-1914, author ✖Remove constraint Authors: Derby, Hasket, 1835-1914, author Publication Year 1800 to 1899 ✖Remove constraint Publication Year: <span class="from" data-blrl-begin="1800">1800</span> to <span class="to" data-blrl-end="1899">1899</span>
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- Derby, Hasket, 1835-1914, author✖[remove]2
- A report on the percentage of near-sight found to exist in the class of 1880 at Harvard College with some account of similar investigations: An account of the phakometer of Snellen1
- The modern operation for cataract: a lecture delivered at the Harvard Medical School April 5, 1871 : with an analysis of sixty-one operations1
- 1800 to 1899 ✖ [remove] 2
Current results range from 1871 to 1877