Susanne Conzen Books

Einfuhlung und Abstraktion

By Jutta Hulsewig Johnen, Henrike Mund

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Der kolner Goldschmied und Bildhauer Franz Lohr 1874 1918 Uni press Hochschulschriften

By Susanne Conzen

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Heinz Wever 1890 1966

By Eckhard Trox, Susanne Conzen, Carolin Bahr

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Paul Wieghardt

By Eckhard Trox, Paul Wieghardt, Susanne Conzen

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Einer der vielversprechendsten Nachlässe, die der Städtischen Galerie Lüdenscheid in den letzten Jahren übereignet wurden, sind die malerischen und zeichnerischen Arbeiten Paul Wieghardts. Sein Leb...

Paul Wieghardt

By Paul Wieghardt, Susanne Conzen, Carolin Bahr

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Wider Napoleon

By Eckhard Trox, Susanne Conzen

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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.