Jutta Penndorf Books

Conrad Felixmuller. Monographien und Werkverzeichnis der Gemalde

By Gerhart Sohn, Heinz Spielmann, Felixmuller Conrad, Ursula Frenzel, Jutta Penndorf, Heinz Kobbe, Titus Felixmuller

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Bauer Pezellen

By Jutta Penndorf

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Zwischen den Seiten

By Friedrich Pfafflin, Jutta Penndorf

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Vorlaufig muss ich leben bleiben

By Alfred Ahner, Christina Ada Anders, Jutta Penndorf, Thomas Burger

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The Thuringian painter and draughtsman Alfred Ahner (1890-1973) was an incorruptible chronicler in images and words, who lived through four different social systems and two world wars. Stunningly c...

Josua Reichert

By Josua Reichert

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Claritas Das Hauptaltarbild im Dom zu Siena nach 1260

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Matthias Hoch

By Harald Kunde, Sabine Maria

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Gerhard Altenbourg

By Annegret Janda

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Altenburg Provinz in Europa

By Jutta Penndorf, Matthias Flugge

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Walter Jacob

By Jacob Walter

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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.