By Fritz Haber, 1924. Über die Darstellung des Ammoniaks aus Stickstoff und Wasserstoff.- Die Chemie im Kriege.- Das Zeitalter der Chemie.- Neue Arbeitsweisen.- Zur Geschichte des Gaskrieges.
As told by A. Mitchell Palmer, former alien property custodian, in his report to Congress, and by Francis P. Garvan, alien property custodian, in an address to the National cotton manufactures' association. 1919