Regnerus Steensma Books

The Interior of the Medieval Village Church

By Regnerus Steensma, J. E. A. Kroesen, Justin E. A. Kroesen

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Het klooster Thabor bij Sneek en zijn nagelaten geschriften.

By Regnerus Steensma

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De Groninger cultuurschat

By Regnerus Steensma, Justin Kroesen

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Friese kerken

By Saskia Van Lier

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Protestantse kerken

By Regnerus Steensma

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In dit boek ontrafelt kerkenkenner dr. Regnerus Steensma de historische betekenis van protestantse kerken in Nederland. Anders dan veelal wordt gedacht, is hun inrichting vaak niet bepaald sober. I...

Verbeeld vertrouwen

By Regnerus Steensma

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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.