Heinrich Maulhardt Books

Villingen 999-1218

By Thomas L. Zotz, Heinrich Maulhardt

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Hessische Landtagsabschiede 1526-1603

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Kommunen im Nationalsozialismus

By Heinrich Maulhardt, Konrad Krimm, Robert Neisen

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"Dieser Band über Kommunen in der NS-Zeit geht der nun schon sehr alten Frage nach, 'wie es dazu kommen konnte.' Sein Untersuchungsgebiet dafür ist Mikrogeschichte: große und kleine Kommunen im Süd...

Hessen Darmstadtische Landtagsabschiede 1648 1806

By Karl Murk, Jurgen Rainer Wolf, Heinrich Maulhardt

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Weigheim, 763-2013

By Heinrich Maulhardt, Ute Schulze

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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.