David F. Armstrong Books

Gestural Origin of Language

By David F. Armstrong, Sherman E. Wilcox

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Original signs

By David F. Armstrong

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Since Darwin's time, the majority of evolutionary linguists have theorized that language defines human beings and that speech defines language. In Original Signs, David Armstrong disputes the latte...

Original Signs

By David F. Armstrong

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Show of hands

By David F. Armstrong

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Show of hands

By David F. Armstrong

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Gestural Origin of Language

By David F. Armstrong, Sherman E. Wilcox

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Gesture and the Nature of Language

By David F. Armstrong, William C. Stokoe, Sherman E. Wilcox

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Original Signs

By David F. Armstrong

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Gestural Origin of Language the. Perspectives on Deafness

By David F. Armstrong, Sherman E. Wilcox

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Study of Signed Languages

By John Vickrey Van Cleve, Michael A. Karchmer, David F. Armstrong

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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.