2012年3月18日托福阅读考试机经回忆_第3页

　　>参考文献

　　Publications

　　·Robert C. Black, The Railroads of the Confederacy (1988); George Edgar Turner, Victory Rode the Rails: The Strategic Place of the Railroads in the Civil War (1953)

　　·Charles W. Ramsdell, "The Confederate Government and the Railroads, American Historical Review, Vol. 22, No. 4 (July, 1917), p. 795.

　　·Mary Elizabeth Massey. Ersatz in the Confederacy (1952) p. 128.

　　Jstor Database:

　　·Hermon King Murphey, “The Northern Railroads and the Civil War”, The Mississippi Valley Historical Review, Vol. 5, No. 3, Dec., 1918, p. 327

　　Internet Resource: http://en.wikipedia.org/wiki/History_of_rail_transport_in_the_United_States

　　第三篇：human activity and archaeological records

　　第三篇只回忆出了标题，而且范围有些过大(人类活动与考古记录)，并不易于还原。