Adriaan Verhulst Books

The Carolingian Economy

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The Carolingian Economy Cambridge Medieval Textbooks

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"This book is about the economy of the Carolingian empire (753-877), which extended from the Pyrenees and the northern shores of the Mediterranean to the North Sea, and from the Atlantic coast to t...

Rural and Urban Aspects of Early Medieval Northwest Europe Collected Studies Series Vol 385

By Adriaan E. Verhulst, Adriaan Verhulst

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Rise of Cities in North West Europe

By Adriaan Verhulst

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Rise of Cities in North West Europe

By Adriaan Verhulst, Peter Clark, David Reeder

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Rise of Cities in North West Europe

By Adriaan Verhulst

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Carolingian Economy

By Adriaan Verhulst

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Carolingian Economy

By Adriaan Verhulst

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The Carolingian Economy Cambridge Medieval Textbooks

By Adriaan Verhulst

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The Rise of Cities in North-West Europe

By Adriaan E. Verhulst, Adriaan Verhulst

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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.