Justus Paul Books

Wisconsin History: An Annotated Bibliography

By Barbara Dotts Paul, Justus F. Paul, Barbara Paul, Justus Paul, Paul, Barbara, Paul, Justus, Paul, Barbara Dotts, Paul, Justus F.

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Selecting the most important literature from Wisconsin's rich historical resources, this bibliography provides 3,400 entries on the history of Wisconsin. The book is interdisciplinary, covering tit...

World Is Ours: A History Of The University Of Wisconsin

By Justus F. Paul, Justus Paul

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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.