Sven Gutermann Books

Die Stuhlbruder des Speyerer Domstifts

By Sven Gutermann, Bensheim Institut Fur Personengeschichte

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Offizielle Einfuhrung der Reformation Nach Dem Augsburger Religionsfrieden Von 1555 und die Evangelische Konfessionsbildung in der Reichsstadt Speyer

By Christopher B. Brown, Sven Gutermann, Gunter Frank, Gordon Bruce

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Das Seelbuch der Stuhlbruder des Speyerer Domstifts

By Sven Gutermann

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Transcription of the sixteenth-century necrology of the lay brothers of the Speyer cathedral. Some clerics and benefactors are also commemorated, and saints' feast days are noted.

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.