Barbara Rudolph Books

Heilung der Erinnerungen Freikirchen und Landeskirchen im 19. Jahrhundert

By Barbara Rudolph, Ulrich Moller, Walter Fleischmann Bisten

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Back cover: Bei den Vorbereitungen auf das Reformationsjubiläum 2017 wurde deutlich: Die evangelischen Freikirchen verstehen sich als Kirchen, deren Wurzeln und theologische Prägungen in der Reform...

Christusfest

By Barbara Rudolph, Michael Kappes

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Nehmt Einander An

By Barbara Rudolph, Hans Georg Link

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Die Orthodoxen im Okumenischen Rat der Kirchen

By Barbara Rudolph, Dagmar Heller

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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.