Roger P. Bartlett Books

The German Lands and Eastern Europe

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The relationship between German speakers, German states and their non-German counterparts in Central and East Europe has been a fundamental feature of European history. The twelve essays in this vo...

Land commune and peasant community in Russia

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Russia in the Age of the Enlightenment

By Janet Hartley, Roger Barlett

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A History of Russia

By Roger P. Bartlett, Dr Roger Bartlett

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A History of Russia

By Roger Bartlett

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The German Lands and Eastern Europe

By Karen Schonwalder, Roger Bartlett

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Human Capital

By Roger P. Bartlett

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Russian thought and society 1800-1917

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Projects and peasants

By Roger Bartlett, Roger P. Bartlett

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Peter the Great and Catherine the Great

By Isabel De Madariage, Roger P. Bartlett

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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.