Bernard S Bachrach Books

Warfare in Medieval Europe c.400 c.1453

By David S. Bachrach, Bernard S. Bachrach

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Deeds of the Saxons

By David S. TRN Bachrach Widukind Bernard TRN Bachrach David TRN Bachrach Bernard S. TRN Bachrach

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The anatomy of a little war

By Bernard S. Bachrach

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In the late sixth century Gundovald, a Frank of royal blood, returned from a lengthy exile in Italy and Constantinople to establish a regnum in the southwestern part of Gaul. His half brother, Gunt...

Merovingian military organization, 481-751

By Bernard S. Bachrach

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A history of the Alans in the West

By Bernard S. Bachrach

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Journal of Medieval Military History

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Law Custom and the Social Fabric in Medieval Europe

By Bernard S. Bachrach, David Nicholas

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Law Custom and the Social Fabric in Medieval Europe

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Warfare in Medieval Europe c.400 c.1453

By Bernard S Bachrach, David Bachrach

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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.