Johannes Hansen Books

Chronik der Gemeinde Brebel 1231-1996

By Hansen Johannes

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Nur ein Landser

By Hansen Johannes, Johannes Hansen

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Theodor Ohlsen 1855-1913

By Hansen Johannes

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The diary of Johannes Hansen

By Hanseraq

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The catechist Johannes Hansen, called Hanserak, a Greenlandic missionary, was part of Captain Gustav Holm's well-known umiaq expedition to the east coast of Greenland (1884–1885), which passed the...

Der Romerbrief Das Vaterunser Die Zehn Gebote.

By Johannes Hansen, Walter Luthi, Theo Lehmann

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Evangelisation und Theologie

By Johannes Hansen

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Notater om deontiske systemer.

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Simulation and automation of legal decisions

By Johannes Hansen

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Lehrbuch der Rinderzucht

By Johannes Hansen

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Lehrbuch der Rinderzucht

By Johannes Hansen

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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.