Peter E Palmquist Books

Carleton Watkins

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The career of the American photographer Carleton E. Watkins (1829-1916) spanned more than fifty years. It is his giant photographs of Yosemite, from the "best general view," that most effectively a...

Photography in the West

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With nature s children

By Peter E. Palmquist

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The Railroad Photographs of Alfred Hart Artist

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Photographers a Sourcebook for Historical Research

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Camera Fiends and Kodak Girls II Sixty Selections by and about Women in Photography 1855 1965

By Peter E. Palmquist

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The Daguerreian Annual

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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.