Harald Schroeter Wittke Books

Musik in Religion Religion in Musik

By Harald Schroeter Wittke

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Kirchentag als vor laufige Kirche

By Harald Schroeter, Harald Schroeter Wittke

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Unterhaltung

By Harald Schroeter Wittke

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Staat und Religion

By Rudiger Althaus, Jochen Schmidt, Sandra Lenke, Harald Schroeter Wittke, Idris Nassery, Elisa Klapheck

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"Dem Staat, den Kirchen und anderen Religionsgemeinschaften ist es ein Anliegen, als je eigenständige Grössen der Gesellschaft zu deren Gemeinwohl beitragen. Will der Staat seine weltanschauliche N...

Staat und Religion

By Jochen Schmidt, Sandra Lenke, Harald Schroeter Wittke, Idris Nassery, Rudiger Althaus, Elisa Klapheck

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Religionssensible Schulkultur

By Harald Schroeter Wittke, Gudrun Guttenberger

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Protestantische Profile im Ruhrgebiet

By Harald Schroeter Wittke, Michael Basse, Traugott Jahnichen

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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.