{"value"=>"<p>Series II contains records relating to Wilgus' military service during World War I as Director of Railways and Deputy Director General of Transportation in the Allied Expeditionary Forces, and later, as historian of the Transportation Corps. The subgroup is divided into four series: Correspondence, Writings and Translations by Wilgus, Writings by Others, and Source Materials. The correspondence relates to the recruitment of engineering officers, the development of the Transportation Corps and the military railway system in France, and the attempts of Wilgus and others to write the history of the events. Wilgus' writings include copies of his war diary, 1917-1919, <em>Transporting the A. E. F. In Western Europe</em> (1931) and manuscripts, typescripts, and published copies of articles on the transportation of American troops translated from the French by Wilgus. The series Writings by Others contains books and articles on military transportation during the war including an unpublished history of the Transportation Corps by J. W. D. Melvin. Finally, the Source Materials contain copies of significant correspondence, memoranda, reports, charts, statistics, maps, and other data made by Wilgus before leaving the service. Included also are his scrapbook of clippings about the Transportation Corps and signal corps photographs of troops, railroads, and supply depots in France.</p>"}