Etymology
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Cottonian 

c. 1700, "pertaining to or founded by antiquarian Sir Robert Bruce Cotton (1570-1631), especially in reference to the library in the British Museum, named for him. He donated some books to the state and his grandson donated the rest. It was badly damaged in a fire in 1731. The surname represents Old English cotum, plural of cot "cottage."

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Silesia 

former eastern German province, now southwestern Poland, from Latinized form of German Schlesien (Polish Śląsk), from the name of a river and a mountain there, from Silingi or Silingae, name of a Vandalic (Germanic) people who supposedly had a religious center at the mountain. Related: Silesian. In reference to cloth imported from there from 1670s, especially "a thin cotton cloth, commonly twilled, used for linings for women's dresses and men's garments."

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