Jay A. Levenson Books

Circa 1492: Art in the Age of Exploration

By Jay Levenson

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Circa 1492: Art in the Age of Exploration

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The Age of the baroque in Portugal

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The Age of the baroque in Portugal

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Abstracts of Technical Studies in Art and Archeology 1943 1952 Occasional Papers Vol 2 No 2

By Rutherford J. Gettens, Bertha M. Usilton

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Encompassing the Globe

By Jay A. Levenson

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Portugal's contacts with the venerable kingdoms and empires of Africa and Asia, and later with the vast expanse of Brazil, led to unprecedented examples of cultural exchange, including the creation...

KAIKODO JOURNAL The Power of Form

By Howard Rogers James Cahill Arnold Chang Jay A. Levenson Elizabeth Childs Johnson

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Encompassing the Globe

By Diogo Ramada Curto

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Portugal e o mundo nos seculos XVI e XVII

By Jay A. Levenson

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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.