Duff, E. G. (1896). Early English printing: A series of facsimiles of all the types used in England during the XVth century, with some of those used in the printing of English books abroad. K. Paul, Trench, Trübner and company, ltd..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDuff, E. Gordon. Early English Printing: A Series of Facsimiles of All the Types Used in England During the XVth Century, with Some of Those Used in the Printing of English Books Abroad. London: K. Paul, Trench, Trübner and company, ltd., 1896.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDuff, E. Gordon. Early English Printing: A Series of Facsimiles of All the Types Used in England During the XVth Century, with Some of Those Used in the Printing of English Books Abroad. K. Paul, Trench, Trübner and company, ltd., 1896.
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