Judith Riemer Books

Abraham the Man and the Symbol

By Gustav Dreyfus, Judith Riemer, Gustav Dreifuss

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There Was Always Someone Taking Photos

By Marie Egger, Judith Riemer, Marit Herrmann, Friedrich Tietjen

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Das Fotoalbum als Ort des Experiments

By Judith Riemer

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Das Fotoalbum war in den 1920er-Jahren das gängige Medium zur Aufbewahrung von Fotografien in allen Kreisen und Schichten der Gesellschaft. Auch an den künstlerischen Ausbildungsstätten der Zeit nu...

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.