Martha H. Swain Books

Lucy Somerville Howorth

By Dorothy S. Shawhan, Martha H. Swain

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Lucy Somerville Howorth

By Dorothy Shawhan

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Ellen S. Woodward

By Martha H. Swain

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Ellen S. Woodward (1887-1974) was touted as Roosevelt's second most powerful woman appointee. Among American women only Eleanor Roosevelt and Labor Department Secretary Frances Perkins could claim...

Mississippi Women Their Histories Their Lives

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Beyond Image and Convention

By Janet Lee Coryell, Sandra Gioia Treadway, Martha H. Swain, Elizabeth Turner

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Fourteen on Form

By Martha H. Swain, William Baer

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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.