Felix Heinzer Books

Unberechenbare Zinsen Bewahrtes Kulturerbe

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Mittelalterliche Andachtsbucher

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Landgrafenpsalter

By Felix Heinzer

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Imitatio heroica

By Anna Schreurs, Felix Heinzer, Hans W. Hubert, Ralf Von Den Hoff

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Gold in the sanctuary

By Felix Heinzer

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"The ninth-century monk and poet Notker of St Gall played a seminal role in the history of the sequence, a distinctly medieval poetic genre of liturgical chant, through his Liber Ymnorum. Notker ha...

Schreiben und Lesen in der Stadt

By Nigel F. Palmer, Stephen Mossman, Felix Heinzer

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Hermann der Lahme

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Landgrafenpsalter

By Felix Heinzer

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Codex und Geltung

By Felix Heinzer, Hans Peter Schmit

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Die Reichenauer Inkunabeln Der Badischen Landesbibliothek in Karlsruhe

By Felix Heinzer

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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.