Alexander D. Beihammer Books

Diplomatics in the Eastern Mediterranean 1000 1500

By Maria G. Parani, Christopher D. Schabel, Alexander D. Beihammer

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Court Ceremonies and Rituals of Power in Byzantium and the Medieval Mediterranean

By Stavroula Constantinou, Maria G. Parani, Alexander Beihammer

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"Publicly performed rituals and ceremonies form an essential part of medieval political practice and court culture. This applies not only to western feudal societies, but also to the linguistically...

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.