Jurgen Dendorfer Books

Konrad III. 1138 1152

By Jurgen Dendorfer

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Adelige Gruppenbildung und Konigsherrschaft

By Jurgen Dendorfer

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Geschichte des Kardinalats im Mittelalter

By Ralf Lutzelschwab, Jurgen Dendorfer

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817 Die urkundliche Ersterwahnung von Villingen und Schwenningen

By Jurgen Dendorfer

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Die Stadt Villingen-Schwenningen feiert im Jahr 2017 das 1200-jährige Jubiläum von Villingen, Schwenningen und Tannheim. Im Jahr 817 wurden in einer Urkunde Kaiser Ludwigs des Frommen die drei Stad...

Nach dem Basler Konzil

By Jurgen Dendorfer, Claudia Martl

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900 Jahre Stadt Freiburg 500 Jahre Stadtrechtsreformation

By Jurgen Dendorfer, Andreas Jobst, Frank L. Schafer

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Rom Nabel der Welt

By Jochen Johrendt, Jurgen Dendorfer, Sabine Meine, Romedio Schmitz Esser, Martin Baumeister

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Tenere et Habere

By Jurgen Dendorfer, Steffen Patzold

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Grenzen Raume und Identitaten

By Jurgen Dendorfer, Sebastian Brather

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Auf Jahr und Tag

By Jurgen Dendorfer, Hans Peter Widmann, R. Johanna Regnath

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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.