O. F. Nichols
- (1894): The Myrtle Avenue Improvement on the Brooklyn Elevated Railroad. Dans: Transactions of the American Society of Civil Engineers, v. 32, n. 2 ( 1894).
- (1880): The Location of the Chimbote Tunnels. Dans: Transactions of the American Society of Civil Engineers, v. 9, n. 1 ( 1880).
- (1897): The Brooklyn Elevated Railway. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 127, n. 1897-1 ( 1897).
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