Nautilus Insurance Company. Account book, 1847. 1 manuscript volume, 1 CD-ROM. Location: MISC:N, AA: (CD-ROM SHELF). Company based in New York. William A. Britton was an agent for the company in Natchez. He was a partner in W. A. Britton & Co., a banking firm with interests in New Orleans. Account book, kept by Britton, contains lists of names of life insurance policy holders, beneficiaries, amounts of insurance purchased, premiums, and fees paid to doctors for examinations. Some entries pertain to insurance on the lives of slaves. Available on microfilm 5322: University Publications of America Records of Ante-bellum Southern Plantations Series I, Part 3, Reel 18. For further information, see online catalog. Mss. 923.