On Aggression cover, Harcourt, Brace & World 1966

[1st ed.] Hardback

On Aggression (1966)

Konrad Lorenz · Harcourt, Brace & World, New York

Publisher Harcourt, Brace & World Year 1966

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Market value

What decides the price

The original dust jacket carries much of the price for a book of this age; its condition matters as much as the book's.
Condition is graded separately for book and jacket, from Fine down to Poor.

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In short

Quick answer

Who published the On Aggression 1966 hardback?: Harcourt, Brace & World, New York, in 1966, in hardback.

Publisher's practice

How Harcourt, Brace & World marked its first editions

During the Harcourt, Brace & World years (1960 to 1970) the copyright page of a first printing reads "first edition", or "first American edition" for a book that first appeared abroad.
Match the imprint to the date, because the Harcourt, Brace & World name covers only 1960 to 1970. Before that the firm was Harcourt, Brace & Company, which put no first-printing statement on its books from 1921 until about 1931. After 1970 it was Harcourt Brace Jovanovich, which used "First Edition" with a letter line such as ABCDE, shortened to BCDE from 1973 to 1983.
From about 1931 Harcourt, Brace & Company frequently marked later printings simply by deleting the "First Edition" statement, so a copy from that period lacking the statement may well be a reprint.

Read the full guide to Harcourt, Brace & World first editions, decade by decade, and check your copy's copyright page against it. Our number line decoder reads the printing from the row of numbers.

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First impression

1966

At a glance

Not yet researched

We have not yet confirmed the issue points that tell this first impression from later ones. Until we do, compare your copy's title page and copyright page with the publisher, place and year above: any later printing or edition statement means it is not this one.

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Questions collectors ask

Frequently asked questions

Who published the On Aggression 1966 hardback?

Harcourt, Brace & World, New York, in 1966, in hardback.

Collecting guides

Know what you are looking at

All guides

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Dust Jackets Explained: Why the Jacket Drives a Book's Value

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How to Identify a First Edition

To identify a first edition, check that your copy is the first printing of the first edition. Read the copyright …

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Book Condition Grading: Fine to Poor Explained

Book condition grading uses a six-step trade scale: Fine, Near Fine, Very Good, Good, Fair and Poor. Collectors grade the …

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