Gretchen Dutschke Books

Ich gehe zu jenen, die mich brauchen: Zum 85. Geburtstag von Karola Bloch

By Anne Frommann, Walter Jens, Welf Schroter, Gretchen Dutschke, Inge Jens

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Wir hatten ein barbarisches schones Leben

By Gretchen Dutschke

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Die Tagebucher 1963 1979.

By Rudi Dutschke, Gretchen Dutschke

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Wir hatten ein barbarisches schones Leben

By Gretchen Dutschke

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Am Ende töteten die Kugeln des Attentäters dann doch. Sein Opfer, Rudi Dutschke, verkörperte die außerparlamentarische Opposition (APO) der sechziger Jahre, und er wurde zu einer herausragenden Per...

Rudi Dutschke

By Gretchen Dutschke

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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.