Paul Huys Janssen Books

Jan Van Bijlert, 1597 98-1671

By Paul Huys Janssen

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Meesters van het Zuiden barokschilders rondom Rubens

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Zeven zeventiende eeuwse schilderijen in het Sint Eloyen Gasthuis te Utrecht

By Paul Huys Janssen

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"Dr. Paul Huys Janssen beschrijft in dit boek de fascinerende geschiedenis van zeven grote schilderijen die in de periode 1621 - 1668 zijn verworven door het Sint Eloyen Gasthuis aan de Boterstraat...

Met eigen ogen

By Paul Huys Janssen

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The Hoogsteder exhibition of Dutch landscapes

By Paul Huys Janssen

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The Hoogsteder exhibition of Rembrandt's academy

By Paul Huys Janssen

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Caesar van Everdingen, 1616 17-1678

By Paul Huys Janssen

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Aert van der Neer

By Schulz Wolfgang

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Werken aan kunst

By Paul Huys Janssen

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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.