Philip Melanchthon Books

Initia doctrinae physicae dictata in Academia Vuitebergensi

By Philip Melanchthon

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Commentary on Romans

By Philip Melanchthon, Philipp Melanchthon

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Common Theological Topics: Loci Communes Theologici (1535)

By Philip Melanchthon

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Philip Melanchthon's "Loci Communes" established the standard for Lutheran dogmatics; beginning as a modest work published in 1521, the "Loci" went through several substantial revisions throughout...

Augsburg Confession

By Philip Melanchthon

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Augsburg Confession

By Philip Melanchthon, Taylor Anderson

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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.