The United New and Much Admired System of Arithmetic and Mental Calculations, of Doctor Willcolkes and Messrs. T. and T. W. Fryer

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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 .. 4th Ed., Much Enlarged and Carefully Revised

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The United New ... System of Arithmetic and Mental Calculations, of Doctor Willcolkes and Messrs. T. and T. W. Fryer ... Sixth Edition, Much Enlarged and Carefully Revised

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The United New ... System of Arithmetic and Mental Calculations, of Dr. W. and Messrs. T. and T. W. Fryer ... Fifth Edition ... Enlarged, Etc

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The National Union Catalog, Pre-1956 Imprints

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Monthly Bulletin

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Dictionary Catalog of the Research Libraries of the New York Public Library, 1911-1971

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Bulletins of Additions 1879-83

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Publishers' circular and booksellers' record

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The Publishers' Circular

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