Owsley Frank Lawrence Books

Struggle for the gulf borderlands

By Owsley Frank Lawrence

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The C. S. S. Florida

By Owsley Frank Lawrence

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King Cotton diplomacy

By Owsley Frank Lawrence

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Filibusters and expansionists

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The first two decades of the 19th century found many Americans eager to move away from the crowded eastern seaboard and into new areas where their goals of landownership might be realized. Such mov...

The South: old and new frontiers.

By Owsley Frank Lawrence

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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.