Peter Hegarty Books

Gentlemen's disagreement

By Peter Hegarty

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Gentlemen's disagreement

By Peter Hegarty

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Queer Theory Readers in Cultural Criticism

By Marjorie Garber, Carol Queen, Suzanna Danuta Walters, Alessandra Tanesini, Hall Donald E., Mark Norris Lance, Cheryl Chase, Peter Hegarty, Larry Kramer, Eve Kosofsky Sedgwick, Patrick Califia Rice, Indra Windh, Stephen Whittle, Del Lagrace Volcano, William J. Spurlin, Judith Butler, Mandy Merck

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A recent history of lesbian and gay psychology

By Peter Hegarty

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"[This work] explores the contemporary history of how psychological research, practice, and theory has engaged with gay and lesbian movements in the United States and beyond, over the last 50 years...

A recent history of lesbian and gay psychology

By Peter Hegarty

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Peadar O'Donnell

By Peter Hegarty

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Dublin Guide

By Peter Hegarty

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Gentlemen s Disagreement

By Peter Hegarty

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Gentlemen s Disagreement

By Peter Hegarty

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Recent History of Lesbian and Gay Psychology

By Peter Hegarty

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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.