Osborn, Henry Fairfield

Henry Fairfield Osborn an Ernst Haeckel, New York, 1. Januar 1910

[Widmung/Anschreiben anlässlich der Übersendung von Fairfields Arbeit „The age of mammals in Europe, Asia and North America“ (New York 1910)]

AMERICAN MUSEUM OF NATURAL HISTORY
NEW YORK

OFFICE OF
THE PRESIDENT

To

Professor Dr. Ernst Haeckel

with the admiration

of

Henry Fairfield Osborn

New Years, 1910