Ralf Gruttemeier Books

Kleinheit als Spezifik

By Gun Britt Kohler, Ralf Gruttemeier, P. I. Navumenka

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Neue Sachlichkeit and avant garde

By Ralf Gruttemeier, Ben Rebel, K. Beekman

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Een of twee Nederlandse literaturen

By Ralf Gruttemeier, Jan Oosterholt

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Literary Trials

By Ralf Gruttemeier

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From the 19th century onwards, famous literary trials have caught the attention of readers, academics and the public at large. Indeed it is striking that more often than not, it was the texts of re...

Authorship revisited

By Liesbeth Korthals Altes, Ralf Gruttemeier, G. J. Dorleijn

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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.