Uwe Quasthoff Books

Frequency dictionary German

By Uwe Quasthoff

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Frequency dictionary English

By Uwe Quasthoff, Erla Hallsteinsdottir, Sabine Fiedler

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Frequency dictionary Icelandic

By Uwe Quasthoff, Erla Hallsteinsdottir, Sabine Fiedler

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Frequency dictionary Esperanto

By Uwe Quasthoff, Erla Hallsteinsdottir, Sabine Fiedler

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Frequency dictionary French

By Daniel Elmiger, Alain Kamber, Uwe Quasthoff, Thomas Eckart, Sabine Fiedler

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Based on newspaper texts collected rom the Internet between 2005-2011; texts from the French edition of Wikipedia as it appeared in 2007 and 2010, and, randomly collected texts from the Internet ga...

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.