Robert C. Cottrell Books

The Czech Republic

By Robert C. Cottrell

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London

By Robert C. Cottrell

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Arbitrary Borders

By Robert C. Cottrell, Heather Lehr Wagner, Louise Chipley Slavicek

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The social gospel of E. Nicholas Comfort

By Robert C. Cottrell

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Rev. E. Nicholas Comfort (1884-1955), a leading southwestern proponent of the social gospel, was the founder and director, between 1926 and 1946, of the Oklahoma School of Religion, one of the nati...

Izzy

By Robert C. Cottrell

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Izzy

By Robert C. Cottrell

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The Best Pitcher in Baseball

By Robert C. Cottrell, Robert Cottrell

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1968

By Robert C. Cottrell

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"The year 1968 is recalled most of all as a year when revolution beckoned or threatened. On the 50th anniversary of that tumultuous year, cultural historians Robert Cottrell and Blaine T. Browne pr...

1968

By Blaine T. Browne, Robert C. Cottrell

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1968

By Blaine T. Browne, Robert C. Cottrell

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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.