Catherine A. Callaghan Books

NorthernSierra Miwok dictionary

By Catherine A. Callaghan

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Plains Miwok dictionary

By Catherine A. Callaghan

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LocoThology Tales of Fantasy Science Fiction Volume 1

By Tracy Chowdhury, Joshua M. Young, Catherine A. Callaghan, Sara Camarata, Robert Lowell Russell, Loconeal Publishing, Terry W. Ervin II, Sarah Drew, Benjamin Abbott, Karl Beecher, James O. Barnes

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LocoThology 2013 Tales of Fantasy Science Fiction Volume 3

By Sandra Wickham, Stacy Mills, David Ritchey, Catherine A. Callaghan, Sheri Harper, Michael Donoghue, Kerry Lynne, Sergio Ente Per Ente Palumbo, D H Hanni, Bear Weiter, J. Scott Marlatt, Gary Wedlund, Shenoa Carroll Bradd, Anne Marie Lutz, Andrew Knighton

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Proto Utian grammar and dictionary

By Catherine A. Callaghan

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This book is the result of over 50 years of research, and it represents an intellectual journey. It is maximally accessible by tabulating the data and inserting frequent cross-references. Dictionar...

Proto Utian grammar and dictionary

By Catherine A. Callaghan

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Proto Utian grammar and dictionary

By Catherine A. Callaghan

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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.