British Library & Catholic Church. Diocese of York (England). Archbishop. Register of the Archbishop of York. British Museum Photographic Service.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBritish Library और Catholic Church. Diocese of York (England). Archbishop. Register of the Archbishop of York. London: British Museum Photographic Service.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBritish Library और Catholic Church. Diocese of York (England). Archbishop. Register of the Archbishop of York. British Museum Photographic Service.
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