Humphrey Wine Books

Seventeenth Century French Paintings National Gallery Catalogues

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"The National Gallery possesses an outstanding collection of French seventeenth-century paintings, in part a reflection of the enthusiasm with which British collectors once acquired the works of Po...

Watteau

By Humphrey Wine

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Madame de Pompadour und die Kunste.

By Xavier Salmon, Helge Siefert, Humphrey Wine, Hohenzollern Johann Georg Prinz Von.

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Fransk guldalder

By Humphrey Wine

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Buying Selling Private Companies Businesses

By Simon Beswick, Humphrey Wine

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National Gallery Catalogues

By Humphrey Wine

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Watteau

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Buying and Selling Private Limited Companies and Business

By Humphrey Wine

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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.