Tammy M. Proctor Books

An English Governess in the Great War: The Secret Brussels Diary of Mary Thorp

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"Mary Thorp, an English governess working for a Belgian-Russian family in German-occupied Brussels, kept a secret war diary from September 1916 to January 1919. This long-forgotten diary sheds ligh...

Female Intelligence

By Tammy Proctor

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A Civilian History of the First World War

By Tammy M. Proctor

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Civilians in a world at war, 1914-1918

By Tammy M. Proctor

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Feminist legal history

By Tracy A. Thomas

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On My Honour

By Tammy M. Proctor

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Gender and the Great War

By Susan R. Grayzel, Tammy M. Proctor

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Gender and the Great War

By Susan R. Grayzel, Tammy M. Proctor

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English Governess in the Great War

By Tammy M. Proctor, Sophie De Schaepdrijver

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Scouting for girls

By Tammy M. Proctor

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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.