Keith F. Davis Books

Edward Weston: 100 Photographs from the Nelson Atk

By Keith F. Davis

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Natural Magic: Salted Paper Prints in North America

By Keith F. Davis

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The salted paper print process and the daguerrotype were invented, for all practical purposes, simultaneously. Though using different materials and methods (the salted paper print was patented, whi...

The Photographs of Homer Page: The Guggenheim Year: New York, 1949-50

By Keith F. Davis

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The Photographs of Ray K. Metzker

By Ray K. Metzker

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Timothy H. O'Sullivan: The King Survey Photographs

By Keith F. Davis

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Multitude solitude

By Heath David

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The work of American photographer Dave Heath (b. 1931) stuns with its emotional potency. Exploring themes of loneliness and alienation in modern society, Heath's photographs depict strangers riding...

An American century of photography

By Hallmark Photographic Collection.

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An American Century of Photography represents the first comprehensive study of this vast and important subject from the mid-1880s to the present. Lavishly illustrated, and printed to the highest te...

Harry Callahan

By Keith F. Davis

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Desire Charnay, expeditionary photographer

By Keith F. Davis

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Todd Webb

By Keith F. Davis

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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.