GB 0103 MS ADD 163
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1836-1865
Correspondence between De Morgan and Sophia Frend (two items), 1836 and undated; letter from De Morgan to Sir Jonathan Pollock, 1865; miscellaneous undated verses.
Morgan , Augustus , De , 1806-1871 , mathematician Morgan , Sophia Elizabeth , De , fl 1836 , née Frend , wife of Augustus De Morgan