Robert R. Holt Books

Assessing personality

By Robert R. Holt

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Methods in clinical psychology

By Robert R. Holt

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Primary process thinking

By Robert R. Holt

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"Volume 1 ... examines changes in Freud's conceptions of primary and secondary process thought ... Voume 2, included on an enclosed CD, begins with a detailed, self -teaching scoring manual for mea...

Primary process thinking

By Robert R. Holt

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New Horizon for Psychotherapy

By Robert R. Holt

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Primary Process Thinking

By Robert R. Holt

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Primary Process Thinking

By Robert R. Holt

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PSYCHOANALYSIS AND CONTEMPORARY SCIENCE (An Annual of Integrative and Interdisciplinary Studies, VOLUME 5, 1976)

By Theodore Shapiro

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Psychoanalysis and the Philosophy of Science

By Robert R. Holt

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Abstracts of the Standard Edition of the Complete Psychological Works of Sigmund Freud

By Robert R. Holt, Sigmund Freud

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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.