Frederic G. Cassidy Books

A compendium of words, phrases, and local meanings has been culled from years of research, using thousands of interviews with representative American communities. Online index is at http://dare.wis...

Dictionary of American Regional English Volume I A C Dictionary of American Regional English

By Joan Houston Hall

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Dictionary of American Regional English Volume 2

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Dictionary of American Regional English Volume III I O Dictionary of American Regional English

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Needed Research in American English Publication of the American Dialect Society

By Raven I. Jr. McDavid, Frederic G. Cassidy, Thomas L. Clark, John Algeo

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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.