Robert Paul Wolff Books

The Autonomy of Reason: A Commentary on Kant's Groundwork of the Metaphysic of Morals.

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The autonomy of reason : A commentary on Kant's Groundwork of the metaphysic of morals

By Robert Paul Wolff

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Eine Verteidigung des Anarchismus

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**Eine Verteidigung des Anarchismus** ist ein politisch-philosophisches Hauptwerk von Robert Paul Wolff. Es wurde 1970 publiziert, liegt inzwischen in 5. Auflage der englischen Ausgabe und in deuts...

About Philosophy

By Robert Paul Wolff

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About philosophy

By Robert Paul Wolff

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About philosophy

By Robert Paul Wolff

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About philosophy

By Robert Paul Wolff

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About Philosophy

By Robert Paul Wolff

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About Philosophy

By Robert Paul Wolff

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About Philosophy

By Robert Paul Wolff

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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.