MICHAEL TOCH Books

The Medieval City Under Siege

By Winthrop Wetherbee, MICHAEL TOCH, Paul E. Chevedden, Kelly Devries, Michael Wolfe, Heather Arden, Eric Mcgeer, James F. Powers, Michael Edward Mallett, Ivy A. Corfis, Denys Pringle, Bert Hall, Michael Harney

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Warfare In Europe In The Middle Ages Underwent A Marked Change Of Emphasis As Urban Life Expanded. The Concentration Of Wealth Represented By A City Was A Valuable Objective; Success, Even If Less...

The Medieval City Under Siege

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Warfare in Europe in the middle ages underwent a marked change of emphasis as urban life expanded. The concentration of wealth represented by a city was a valuable objective, and the static nature...

Wirtschaftsgeschichte Der Mittelalterlichen Juden: Fragen Und Einschätzungen (Schriften Des Historischen Kollegs) (German Edition) (Schriften Des Historischen Kollegs, 71)

By Elisabeth Müller-Luckner, MICHAEL TOCH

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Christian Perceptions Of Jewish Economic Activity In The Middle Ages / Giacomo Todeschini -- Taking Interest From Non-jews : Main Problems In Traditional Jewish Law / Hans-georg Von Mutius -- The J...

When Patterns Change

By Nissan Oren

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Enzyklopadie des Mittelalters

By Arye Graboys

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The economic history of European Jews

By Michael Toch

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Die altesten Rechnungsbucher des Klosters Scheyern, 1339-1363

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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.