Jan Jaap Heij Books

Het Drents Museum

By Jan Jaap Heij

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Art nouveau en art deco in Nederland

By Provinciaal Museum Van Drenthe

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Symbolisme in Nederland 1890-1935

By Marty Bax, Mechteld De Bois, Jan Jaap Heij

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Vernieuwing & bezinning

By Jan Jaap Heij

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Hollands impressionisme

By Jan Jaap Heij

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Hollands impressionisme' toont en beschrijft ruim zeventig schilderijen, aquarellen en pasteltekeningen van kunstenaars die zich lieten inspireren door het licht, de natuur, de mens en de moderne s...

Basisinkomen in drievoud

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Bernard Willem Wierink 1856 1939

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In de schaduw van Cuypers

By Rob Delvigne

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Georg Sturm (1855-1923), geboren en opgeleid in Wenen, werd in 1882 naar Amsterdam gehaald om om docent te worden aan de nieuw opgerichte Rijksschool voor Kunstnijverheid en mee te werken aan de de...

Omslag in beeld

By Jan Jaap Heij

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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.