F. H. H. Kortlandt Books

"The larger part of the present volume is about Slavic historical linguistics while the second part is about more general issues and methodological aspects. The initial chapters contain a revision...

Evidence and Counter Evidence Essays in Honour of Frederik Kortlandt Volume 2

By Jos Schaeken, Jeroen Wiedenhof, Rick Derksen, Alexander Lubotsky, Sjoerd Siebinga

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Studies in Germanic Indo European and Indo Uralic

By F. H. H. Kortlandt

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Selected writings on Slavic and general linguistics

By F. H. H. Kortlandt

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"The larger part of the present volume is about Slavic historical linguistics while the second part is about more general issues and methodological aspects. The initial chapters contain a revision...

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.