Title: T.O. Selfridge papers
Subjects: United States Darien Exploring Expedition (1870), Surveys, Merrimack (Frigate), Cumberland (Frigate), Confederate States of America. Navy, Naval operations, History, Correspondence, Description and travel, Confederate States of America, United States Darien Exploring Expedition (1871 and 1873), Canals, Discovery and exploration
Places: United States, Isthmus of Panama, Panama Canal (Panama), Panama, Darien (Panama and Colombia), Panama, Isthmus of (Panama)
People: John B. Jervis (1795-1885), John L. Porter (1813-1893), Thomas Oliver Selfridge (1804-1902), J. P. Benjamin (1811-1884), Edward Knight Collins (1802-1878), John T. Pickett (1822-1884), George Davidson (1825-1911), Daniel Ammen (1820-1898), J. Dutton Steele (1810-1886), Benjamin Henry Latrobe (1806-1878), James Bicheno Francis (1815-1892), Gustavus Vasa Fox (1821-1883), W. W. Evans (1817-1886), Benjamin Peirce (1809-1880)
Time periods: Civil War, 1861-1865