Gunter Hagele Books

Wertvolle Handschriften und Einbande aus der ehemaligen Oettingen-Wallersteinschen Bibliothek

By Gunter Hagele, Paul Berthold Rupp, Rudolf Frankenberger

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Augsburg macht Druck

By Renate Mader, Kathrin Rottmann, Gunter Hagele

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Kostbare Erzeugnisse des Augsburger Buchdrucks gehören zwar zu den gerne präsentierten Schätzen der grossen Bibliotheken und zu den Glanzpunkten in den Katalogen führender Antiquariate, in Augsburg...

Die Handschriften der Universitatsbibliothek Augsburg

By Gunter Hagele, Universitat Augsburg. Universitatsbibliothek.

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Das Paenitentiale Vallicellianum I

By Gunter Hagele

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Meister Eckhart in Augsburg

By Gunter Hagele, Robert Steinke, Freimut Loser

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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.