Herwig Guratzsch Books

Paul Flora: Zeichnungen. Eine Ausstellung der Universitat Gottingen und des Wilhelm-Busch-Museums Hannover

By Herwig Guratzsch, Karl Arndt, Paul Flora

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Die hollandischen Bilder hab ich freilich gern

By Sebastian Dohe, Justus Lange, Herwig Guratzsch

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Deutsches Museum für Karikatur und Zeichenkunst in Hannover in Zusammenarbeit mit der Museumslandschaft Hessen Kassel die Ausstellung 'Die holländischen Bilder hab ich freilich gern' - 'Wilhelm Bus...

Wolken, Wogen, Wehmut: Johan Christian Dahl 1788-1857. Der Freund Caspar David Friedrichs

By Herwig Guratzsch, J. C. Dahl

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Fixsterne

By Herwig Guratzsch

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Vergessene altdeutsche Gemalde. 1815 auf dem Dachboden der Leipziger Nikolaikirche gefunden

By Dietulf Sander, Gerhard Graf, Gisela Goldberg, Herwig Guratzsch, Susanne Heiland

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Sammlung Piepenbrock: Farbe-Form-Zeichen

By Nerwig Guratzsch, Margret Schutte, Anke Hervol, Herwig Guratzsch

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Stephen Conroy: Retrospektive

By Herwig Guratzsch, Stephen Conroy

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Wirklichkeit im Gegenlicht: Malerei und Graphik von Friedel Anderson

By Margret Schutte, Herwig Guratzsch, Friedel Anderson

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Museum der bildenden Kunste Leipzig: Katalog der Bildwerke

By Dietulf Sander, Renate Hartleb, Christoph Brockhaus, Herwig Guratzsch, Museum Der Bildenden Kunste Leipzig Germany, Claudia Klugmann

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Painting of the Low Countries

By Herwig Guratzsch

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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.