battle of the River Plate : an account of events before, during and after the action up to the self-destruction of the Admiral Graf Spee … mededelingen en verhandelingen Nauwkeurigheid en betrouwbaarheid van temperatuur- en vochtigheidsbepalingen in buitenlucht met behulp van kwikthermometers = Precision and reliability of open-air temperature and humidity measurements with mercury … wetsontwerp inzake de concentratie van de scholen voor verlofsofficieren der infanterie te Kampen, en de agitatie in de pers tegen dit voorstel : open brief … Top secret / Ralph Ingersoll Russia's secret weapon énergie atomique et la politique américaine : discours officiels et officieux / [introd. par James T. Shotwell] special publication Manual of traverse computation on the Transverse Mercator Grid / O.S. Adams, C.N. Claire training pamphlet Primary batteries : june, 1922 Empirebuilding National security and the new army : a reference memorandum prepared to accompany an address by Lieut. Gen. J. Lawton Collins, Director of Information, War … field manual Umpire manual field manual Regulations for correspondents accompanying U.S. Army forces in the field / prepared under direction of the Chief of Staff