Axel Frey Books

Leipzig als ein Pleissathen

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Baltisches Biographisches Archiv (BaBA)

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Baltischer biographischer index

By Axel Frey

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Russischer biographischer Index

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The Russian biographical index (RBI) indexes about 90,000 biographical summaries from the Russian Biographical Archives (RBA) from the Fifth century to 1920s. Compiled from more than 150 source wor...

Korean biographical archive (KBA)

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Korean biographical archive (KBA)

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Korean biographical archive (KBA)

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Korean biographical archive (KBA)

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Korean biographical archive (KBA)

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Korean biographical archive (KBA)

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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.

Axel Frey Books

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?