Paul H. Carlson Books

Comanche Jack Stilwell

By Clint E. Chambers, Paul H. Carlson

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The Cowboy Way

By Paul Howard Carlson

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Amarillo

By Paul Howard Carlson

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"History of the founding of Amarillo and its progress from a small cowtown to the second largest city on the Texas High Plains. Includes social, cultural, economic, and political aspects of the cit...

Dancin in Anson

By Paul H. Carlson

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"Celebrating the celebration of the Old West. In the 1880s, there wasn't much in Anson, Texas, in the way of entertainment for the area's cowhands. But Star Hotel operator M. G. Rhodes changed that...

The Plains Indians

By Paul Howard Carlson

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The Plains Indians

By Paul Howard Carlson

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The buffalo soldier tragedy of 1877

By Paul Howard Carlson

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"The year 1877 was a drought year in West Texas. In the middle of that arid summer, a troop of some forty buffalo soldiers (African American cavalry led by white officers) struck out into the Llano...

Buffalo Soldier Tragedy of 1877 Canseco Keck History 6

By Paul H. Carlson

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Texas Woollybacks

By Paul H. Carlson

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The Buffalo Soldier Tragedy of 1877

By Paul H. Carlson

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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.