Dagmar Heissler Books

Frauen Erzahlen Geschichte

By Kira Kaufmann, Susanne Blumesberger, Aneta Jachimowicz, Sigrid Schmid, Jasmin Grande, Tadeusz Skwara, Dagmar Heissler, Renata Trejnowska Supranowicz, Justyna Gorny, Johann Sonnleitner, Clara Huber, Petra Maria Dallinger, Veronika Hofeneder, Sigurd Paul Scheichl, Viktoria Potzl

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Ernst Lothar

By Dagmar Heissler

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The monograph explores the life, work and legacy of the Austrian writer, director and producer Ernst Lothar (1890?1974) through the analysis of hitherto unpublished correspondence as well as other...

Ernst Lothar

By Dagmar Heissler

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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.