Walter K. Hanak Books

Acts Xviiith International Congress of Byzantine Studies Selected Papers Main and Communications

By Walter K. Hanak, Ihor Sevcenko, International Congress Of Byzantine Studies 18th 1991 Moscow, International Congress Of Byzantine Studies 18th 1991 Moscow Russia, Russia International Congress Of Byzantine Studies 1991 Moscow, G. G. Litavrin

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Podkarpatsko-Rusinska otazka, 1918-1945

By Walter K. Hanak

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The nature and the image of princely power in Kievan Rus 980 1054

By Walter K. Hanak

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"In The Nature and the Image of Princely Power in Kievan Rus', 980-1054, Walter K. Hanak offers a critical analysis of the annalistic, literary, and other works that provide rich if conflicting and...

The nature and the image of princely power in Kievan Rus', 980-1054

By Walter K. Hanak

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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.