Siegfried Seifert Books

Weimarer Museumsfuhrer. Stadt Weimar und Weimarer Land

By Siegfried Seifert, Rita Seifert, Elisabeth Wuttig

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Der entfesselte Markt

By Siegfried Seifert, Werner Greiling

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Die Beiträge dieses Bandes gehen auf eine wissenschaftliche Konferenz zurück, die 2016 im Goethe- und Schiller-Archiv der Stiftung Weimarer Klassik stattgefunden hat. Insgesamt wurde angestrebt, ei...

Goethes Leben von Tag zu Tag

By Siegfried Seifert, Doris Kuhles

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Heine-Bibliographie

By Siegfried Seifert

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Weimar. Fuhrer durch eine europaische Kulturstadt.

By Siegfried Seifert

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Weimar

By Siegfried Seifert

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Weimar. Franzosische Ausgabe.

By Siegfried Seifert

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Historische Bestande der Herzogin Anna Amalia Bibliothek zu Weimar

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Goethe-Bibliographie 1950-1990

By Siegfried Seifert

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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.