AN AVIATOR’S FIELD BOOK
Robert Reynold Hirsch translation
Being the Field Reports of Oswald Bölcke, from August 1, 1914, to October 28, 1916
Translated from the German by
ROBERT REYNOLD HIRSCH, M.E.
With a Foreword by
JOSEPH E. RIDDER, M.E.

1917 NATIONAL MILITARY PUBLISHING CO. 1919 BROADWAY, NEW YORK
Colonel Oswald Bölcke’s Last Picture
