Johan Koppenol Books

Uitgaan Op Niveau

By J. D. F. Van Halsema, Ben Peperkamp, Johan Koppenol

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Het Leids Ontzet

By Johan Koppenol

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Een Rijke Bron: Over Poëzie

By Ena Jansen, Ad Zuiderent, Johan Koppenol

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Ad Zuiderent, Ena Jansen En Johan Koppenol, Redactie. Includes Bibliographical References And Index.

Uitgaan Op Niveau

By J. D. F. Van Halsema, Ben Peperkamp, Johan Koppenol

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Jacob Cats - Verhalen Uit De Trou-Ringh

By Jacob Cats, Johan Koppenol

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In De Trou-ringh (1637) Adviseert En Beleert Jacob Cats Zijn Tijdgenoten In Tal Van Huwelijkskwesties, Zoals Partnerkeuze, Hertrouwen, Veelwijverij En Leeftijds- En Standenverschil Tussen Geliefden...

Jacob Cats - Verhalen Uit De Trou-Ringh

By Johan Koppenol

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Leids Heelal: Het Loterijspel (1596) Van Jan Van Hout

By Johan Koppenol

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Johan Koppenol. Originally Presented As The Author's Thesis (doctoral)--rijksuniversiteit Leiden 1998. Includes Bibliographical References (p. [469]-498) And Index. Summary In English.

De Schepping Anno 1654 : Oudere Letterkunde En De Verbeelding

By Johan Koppenol

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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.