Allan C. Carlson Books

Conjugal America

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The institution of marriage has become perilously weak in America. Changes in the law over the past three decades, such as the spread of no-fault divorce and broad acquiescence to cultures of divor...

Conjugal America

By Allan C. Carlson

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Conjugal America

By Allan C. Carlson

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Godly seed

By Allan C. Carlson

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The Natural Family Where It Belongs

By Allan C. Carlson

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Family Cycles

By Allan C. Carlson

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Family Cycles

By Allan C. Carlson

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Man of the House

By Allan C. Carlson, Leon J. Podles, C. R. Wiley

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The new agrarian mind

By Allan C. Carlson

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"The New Agrarian Mind synthesizes the thought of twentieth-century Agrarian writers. It weaves together discussions of major representative figures with myth-shattering analyses of the movement's...

The Natural Family

By Paul T. Mero, Allan C. 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.