Weber Regina Books

Hier wirkt Elektrizitat

By Theo Horstmann, Weber Regina

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Gottfried Benn

By Weber Regina, Regina Weber

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E imigracoes

By Weber Regina, Ismenia De Lima Martins, Alexandre Hecker

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Lotte Labowsky 1905 1991 Schulerin Aby Warburgs Kollegin Raymond Klibanskys

By Weber Regina

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Die deutsch-jüdische Philosophin und Altphilologin Lotte Labowsky (1905-91), 1933/34 mit der Kulturwissenschaftlichen Bibliothek Warburg (K. B.W.) nach England emigriert, zählt zu den bisher wenige...

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.