Christian A. Peterson Books

After the Photo-Secession: American Pictorial Photography, 1910-1955

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Much has been written about Alfred Stieglitz's group of photographers, the Photo-Secession, and their role in establishing photography as an art. Little attention, however, has been paid to the pic...

Alfred Stieglitz s Camera Notes

By Christian A. Peterson

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Art photography in Japan

By Christian A. Peterson, Kerry Ross, Howard Greenberg, Charles Schwartz

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Chaining the sun

By Christian A. Peterson

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Walker Evans

By Christian A. Peterson

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Pictorialism in America

By Christian A. Peterson

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Camera work

By Christian A. Peterson

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Photographs beget photographs

By Christian A. Peterson

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The modern pictorialism of D.J. Ruzicka Moderni piktorialismus D.J. Ruzicky

By Christian A. Peterson

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The quiet landscapes of William B. Post

By Christian A. Peterson

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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.