Toby Gelfand Books

Professionalizing Modern Medicine

By Toby Gelfand

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Toby Gelfand. Includes Index. Bibliography: P. [259]-260.

Charcot: Constructing Neurology

By Toby Gelfand, Michel Bonduelle, Christopher G. Goetz

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In the second half of the 19th century, Paris became an international center for neurological studies largely because of Jean-Martin Charcot and his Salpetriere School. Charcot was named Professor...

Freud and the history of psychoanalysis

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Charcot s Studies on Hysteria

By Toby Gelfand

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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.