Jan Hus Books

Magistri Iohannis Hus Questiones

By Jan Hus

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Iohannes Hus. Polemica

By G Silagi, J Ersil

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Iohannes Hus. Enarratio Psalmorum

By Jana Nechutova

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"Another volume of the M. Iohannis Hus Opera omnia brings the Enarratio Psalmorum (Ps. 109-118), first presented as lectures at Charles University in Prague by the Czech reformer Jan Hus († 1415),...

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.

Jan Hus Books

De ecclesia

The letters of John Hus

The Church

Johannes Hus Quaestiones

Iohannes Hus Quodlibet

Magistri Iohannis Hus Questiones

Iohannes Hus. Polemica

Iohannes Hus. Enarratio Psalmorum

Ceska nedelni postila

Ceska svatecni kazani

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

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