Joseph Milz Books

Duisburg im Jahre 1566. Der Stadtplan des Johannes Corputius

By Joseph Milz

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Architektur in Duisburg

By Joseph Milz, Burkhard Biella, Sabine Haustein, In Zus. Arb. Mit D. Stadt Duisburg Ag Arch Ruhrgebiet, Jutta Heinze

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Duisburger Topographie im 16. Jahrhundert

By Joseph Milz

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Das Duisburger Walderbenbuch von 1550

By Joseph Milz

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Directory of the heirs to the Duisburger Wald, originally published in 1550.

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.