| 1 |
Business annals / Willard Long Thorp
New York : Garland , 1983
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| 2 |
アメリカと極東 / W.L.ソープ編 ; 鹿島守之助訳
東京 : 鹿島研究所出版会 , 1963.11
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| 3 |
American writing in the twentieth century / Willard Thorp
Cambridge, Mass. : Harvard University Press , 1960
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| 4 |
Literary history of the United States / editors, Robert E. Spiller ... [et al.]
v. 1 - [v. 4] : Bibliography supplement. - New York : Macmillan , 1948-[1959]
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| 5 |
Modern writing / Willard Thorp and Margaret Farrand Thorp
New York : American Book Co. , c1944
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| 6 |
American issues / edited by Willard Thorp, Merle Curti and Carlos Baker
v. 2,v. 1. - Chicago : J.B. Lippincott , c1941
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