Cliff Welch Books

The Seed Was Planted

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"Argues that rural land and labor activism extend back to 1920s, at least in São Paulo state. Details interaction of rural workers with Vargas state, the Partido Comunista Brasileiro, Catholic Chur...

The seed was planted

By Cliff Welch

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The seed was planted

By Cliff Welch

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A semente foi plantada

By Cliff Welch

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Camponeses brasileiros

By Cliff Welch

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Camponeses brasileiros

By Cliff Welch

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Jofre Correa Netto capitao campones 1921 a 2002

By Cliff Welch

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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.