Karl Hoffman Books

Katholische Dogmatik

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Karl Hofmann. Includes Index. Includes Erratum Sheet. Originally Presented As The Author's Thesis (doctoral) -- Universität Augsburg, 1992. Bibliography: P. 425-439.

Erwin Rommel

By Karl Hoffmann, Karl Hoffman, KARL HOFFMAN

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Few military opponents have been praised inside the House of Commons as was Erwin Rommel, by no less a figure than Winston Churchill. This was at the time when the charismatic German general was ru...

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.

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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.