Ralph Hanna Books

The awntyrs off Arthure at the terne Wathelyn

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A Descriptive Catalogue of the Western Medieval Manuscripts of St John's College, Oxford

By Ralph Hanna

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Richard Rolle: Uncollected Prose and Verse

By Richard Rolle Of Hampole, Ralph Hanna

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Speculum vitae

By William Of Nassington.

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Speculum vitae

By William Of Nassington.

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Speculum Vitae: A Reading Edition

By William Of Nassington.

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Awntyrs of Arthure at the Terne Wathelyne Old Middle English Texts

By Ralph III Editor Hanna

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This volume argues through a series of selected local studies, for the importance of "textual criticism" as a fundamental act of historical interpretation and recovery, pointing out the need for at...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.