Letters of Brunswick and Hessian Officers During the American Revolution. Translated [From Schloezer's Briefwechsel] by W. L. Stone, Assisted by A. Hu (Paperback)
Differentialmethode Zur Messung Kleiner Verluste in Hochfrequenzsystemen: Dissertation Zur Erlangung Der W?de Eines Doktor-Ingenieurs (Paperback, 1913)