Christopher N. L. Brooke Books

The Medieval Idea of Marriage

By Christopher Brooke, Christopher Nugent Lawrence Brooke

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The Monastic Constitutions of Lanfranc (Oxford Medieval Texts)

By Lanfranc Archbishop Of Canterbury

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"The Monastic Constitutions of Lanfranc, archbishop of Canterbury from 1070 to 1089, has long been recognized as one of the most important historical sources for medieval monastic life. In this maj...

A History of the University of Cambridge

By Christopher N. L. Brooke

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The Saxon and Norman Kings

By Christopher Nugent Lawrence Brooke

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SAXON AND NORMAN KINGS 3E

By Christopher N. L. Brooke

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Foundations of Medieval English Ecclesiastical History

By Christopher N. L. Brooke, Philippa Hoskin, B. R. Kemp, Barrie Dobson

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Marriage in Christian History: An Inaugural Lecture

By Christopher N. L. Brooke, Christopher Nugent Lawrence Brooke

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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.