Siegfried Gohr Books

Delphi Heliotroph: Eine Skulptur von A. R. Penck

By Siegfried Gohr, Klaus Gallwitz

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Bilder Paintings 1973-1990

By Siegfried Gohr, Gunther Forg, Thomas Groetz

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Georg Baselitz

By Georg Baselitz, Siegfried Gohr, Thomas Weber

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Jorg Immendorff

By Siegfried Gohr

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"Mit 'Musée d'art moderne' (1988/89) hat Jörg Immendorff eine Bestandsaufnahme der Kunstwelt am Ende der 1980er-Jahre geschaffen. In einer sorgfältig austarierten Komposition sind die wichtigsten P...

The darker side of playland

By Siegfried Gohr, Rene Magritte

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"This collection of key paintings, which accompanies a retrospective at the San Francisco Museum of Modern Art, is particularly notable because the paintings have been selected to show Magritte's i...

A.R. Penck

By Siegfried Gohr, A.R Penck

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Ludwig Museum Cologne

By Siegfried Gohr

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Max Beckmann

By Siegfried Gohr, Max Beckmann

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Magritte

By Siegfried Gohr

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Georg Baselitz

By Georg Baselitz, Siegfried Gohr

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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.