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5 ([return])
[ Calhoun, Corr., Amer. Hist. Assoc., Annual Report (1899, vol 11.), pp. 1193-1194.]

[ [!-- Note --]

6 ([return])
[ To Crittenden, Dec. 20, 1849, Smith, polit. Hist. Slavery, I. 122; Winthrop MSS., Jan. 6, 1850.]

[ [!-- Note --]

7 ([return])
[ Calhoun, Corr., p. 781; cf. 764-766, 778, 780, 783-784.]

[ [!-- Note --]

8 ([return])
[ Cong. Globe, XXI. 451-455, 463; Corr., p. 784. On Calhoun's attitude, Ames, Calhoun, pp. 6-7; Stephenson, in Yale Review, 1919, p. 216; Newbury in South Atlantic Quarterly, XI. 259; Hamer, Secession Movement in South Carolina, 1847-1852, pp. 49-54.]

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9 ([return])
[ Calhoun, Corr., Amer. Hist. Assoc., Annual Report (1899, vol. II), pp. 1210-1212; Toombs, Corr., (id., 1911, vol. II), pp. 188, 217; Coleman, Crittenden, I. 363; Hamer, pp. 55-56, 46-48, 54, 82-83; Ames, Calhoun, pp. 21-22, 29; Claiborne, Quitman, H. 36-39.]