Karlheinz Wiegmann Books

Ansichten Einsichten

By Karlheinz Wiegmann, Evamarie Blattner

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Textilindustrie und Staat in Westfalen, 1914-1933

By Karlheinz Wiegmann

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Die Jagd

By Guido Von Buren, Stephanie Decker, Karlheinz Wiegmann, Romina Westphal, Marcell Perse

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Das Städtische Museum Schloss Rheydt und das Museum Zitadelle Jülich widmen der Jagd als Motiv in der Kunst des 15. bis 18. Jahrhunderts eine Sonderausstellung. Im spezifischen Kontext der Hofkultu...

Lotte Reiniger

By Karlheinz Wiegmann, Evamarie Blattner

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Kunstformen des Meeres

By Franz Brummer, Karlheinz Wiegmann, Meike Niepelt

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Hin und weg

By Karlheinz Wiegmann, Meike Niepelt

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Enter!

By Gaby Chaudry, Karlheinz Wiegmann

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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.