Gerhard Schulz Books

American History: The Modern Era Since 1865

By McGraw Hill

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Revolutions and peace treaties, 1917-1920

By Gerhard Schulz

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Zwischen Demokratie Und Diktatur

By Gerhard Schulz

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Zwischen Demokratie Und Diktatur

By Gerhard Schulz

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Wege In Die Zeitgeschichte

By Gerhard Hufnagel, Gerhard Schulz, Jürgen Heideking, Franz Knipping

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Herausgegeben Von Jürgen Heideking, Gerhard Hufnagel, Franz Knipping. One Article Each In English And French. Includes Bibliographical References And Index.

Geschichte im Zeitalter der Globalisierung

By Gerhard Schulz

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Schriften 6 Bde. Bd.5 Materialien und Register

By Richard Samuel, Hermann Knebel, Novalis, Hans Joachim Mahl

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Schriften 6 Bde. Bd.1 Das dichterische Werk

By Gerhard. Schulz, Heinz Ritter, Novalis

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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.