Andreas Löhrer Books

Musikalische Streitschriften: P. Walter Jacobs Musikpublizistik 1933-1949

By Stefanie Preuss, Frithjof Trapp, Miriam Schmidt, Henrike Walter, Jacob Walter, Andreas Lohrer, Melissa Strumann, Vera Balzano

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Reunion der Uberlebenden: P. Walter Jacobs Korrespondenz mit Freunden und Kollegen 1939-1949

By Wiebke Mohring, Frithjof Trapp, Barbel Schrader, Henrike Walter, Jacob Walter, Andreas Lohrer, Janine Mues, Nicola Lange

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Bakunin

By Madeleine Grawitz

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Ausgehend von philosophischen Gedanken um 1848 zeigt diese Biographie das Entstehen des Sozialismus anhand des Lebenswegs eines seiner berühmtesten Begründer. In der Internationale stellt sich Baku...

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.