Andrea Galdy Books

Cosimo I de Medici as collector

By Andrea Galdy

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Collecting and dynastic ambition

By Susan Bracken, Andrea Galdy, Adriana Turpin

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Collecting and the princely apartment

By Susan Bracken, Andrea Galdy, Adriana Turpin

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Women patrons and collectors

By Susan Bracken, Andrea Galdy, Adriana Turpin

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As the present volume shows, women, particularly aristocratic women,not only resisted this discrimination through the ages, but also built important collections and used them to their own advantage...

Agnolo Bronzino

By Andrea Galdy

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"The Florentine artist Agnolo Bronzino (1503-1572) has long been celebrated as the consummate court painter and his sumptuous portrayals of Duke Cosimo de' Medici and Duchess Eleonora de Toledo hav...

Collecting East and West

By Susan Bracken, Andrea Galdy, Adriana Turpin

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Collecting prints and drawings

By Andrea Galdy

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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.