use of the Röntgen ray by the Medical Department of the United States army in the war with Spain (1898) / W.C. Borden circular surgeon general s office. war department report on the hygiene of the United States army with descriptions of military posts / [by John Shaw Billings] circular surgeon general s office. war department report on barracks and hospitals with descriptions of military posts / [by John S. Billings] Outline of neuropsychiatry in aviation medicine - USA Voorschrift, Technical Manual, 8-325
