Robert Nouwen Books

Oorlogsmisdaden in de oudheid en later

By Reinier Wels, Korneel Van Lommel, Robert Nouwen, Welmoet Wels, Christian Laes, Koen Vandendriessche, Toon Van Houdt

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De Romeinen in Belgie (31 v.C.-476 n.C.)

By R. Nouwen

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De erfenis van de oudheid voor de mens van nu

By R. Nouwen

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Historische achtergronden van enkele in de oudheid ontwikkelde denkbeelden op politiek en maatschappelijk gebied, die vandaag de dag nog steeds relevant zijn.

De onderdanen van de keizer

By R. Nouwen

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De geschiedenis van Rome is doorgaans de geschiedenis van machtige mannen, van veroveraars, van politici en keizers. Maar wat met die onderdanen van de keizers? Wat met al die gewone mensen die in...

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.