Winfried Wilhelmy Books

Der altniederlandische Realismus und seine Funktionen

By Winfried Wilhelmy

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Ziemlich beste Freunde

By Winfried Wilhelmy, Vera Hierholzer

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Art, mathematical models, archaeological and ethnological artifacts, books and natural objects from various collections of the Johannes Gutenberg-Universität Mainz, exhibited alongside objects from...

Mainz

By Felicitas Janson, Dethard Von Winterfeld

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Seliges Lacheln Und Hollisches Gelachter Das Lachen in Kunst Und Kultur Des Mittelalters German Edition

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Meisterwerke des Bischoflichen Dom und Diozesanmuseums Mainz

By Marcel Schawe, Winfried Wilhelmy

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Erstmals seit Bestehen des Bischöflichen Dom- und Diözesanmuseums Mainz werden die früh- und hochmittelalterlichen Meisterwerke der plastischen Sammlung in einem Bestandskatalog zusammengefasst und...

Duomo Di S. Martino Magonza

By Felicitas Janson, Dethard Von Winterfeld

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Die Kreuzzuge

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Rabanus Maurus

By Hans Juergen Kotzur

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Dragon, griffin and courtly love: Mainz tapestries from the Late Gothic period

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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.