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The United New and Much Admired System of Arithmetic and Mental Calculations, of Doctor Willcolkes and Messrs. T. and T. W. Fryer
Doctor Willcolkes
其他書名
Being the Result of Many Years' Study
出版publishers, 1840
URLhttp://books.google.com.hk/books?id=vwDwTkoditgC&hl=&source=gbs_api
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