Hellmut Seemann Books

Die Herzogin Anna Amalia Bibliothek

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Japanese Modern Art

By Hellmut Seemann, Sakai Tadayasu, Ingrid M Ssinger, Fuji Hiroaki

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Mens et Manus

By Hellmut Seemann, Thorsten Valk, Franziska Bomski

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Die Ernestiner prägten die mitteldeutsche Geschichte von der Reformationszeit bis ins frühe 20. Jahrhundert. Ihre Höfe entwickelten sich schon früh zu kulturellen Zentren, an denen bedeutende Künst...

Anna Amalia Carl August und das Ereignis Weimar

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Erich Klahn

By Hellmut Seemann, Erich Klahn, Johanna Hummel, Diana Maria Friz, Jochen Meiners, Birgit Kummel, Birgit Dalbajewa, Alexander Bastek

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Bild und Bekenntnis

By Hellmut Seemann, Thorsten Valk, Franziska Bomski

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"Anlässlich des 500. Geburtstages von Lucas Cranach dem Jüngeren (1515-1586) beleuchtet die Klassik Stiftung in ihrem neuen Jahrbuch das umfangreiche Schaffen und die facettenreiche Wirkungsgeschic...

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.