Gerhard May Books

Creatio Ex Nihilo

By Gerhard May

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Creatio Ex Nihilo: The Doctrine Of 'Creation Out Of Nothing' In Early Christian Thought

By Gerhard May

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The Problem Of The Creation Of The World In Hellenistic Judaism And Early Christianity Before The Gnostic Crisis In The Second Century -- The Question Of The Origin Of The World In Christian Gnosti...

Schöpfung Aus Dem Nichts

By Gerhard May

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Marcion Und Seine Kirchengeschichtliche Wirkung / Marcion And His Impact On Church History (Texte Und Untersuchungen Zur Geschichte Der Altchristlichen) (German And English Edition)

By Gerhard May, Martin Meiser, Katharina Greschat, Internationale Fachkonferenz Zu Marcion (2001 Mainz, Rhineland-Palatinate, Germany), Internationale Fachkonferenz Zu Marcion

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Das Marburger Religionsgesprach 1529

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Die Mainzer Augustinus-Predigten: Studien zu einem Jahrhundertfund

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Gerhard May: Markion

By Gerhard May

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Union, Konversion, Toleranz

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Creatio Ex Nihilo

By Gerhard May

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Creatio Ex Nihilo

By Gerhard May

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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.