^ abcCrothers, William L. (1997). The American-Built Clipper Ship, 1850-1856: Characteristics, Construction, Details. Camden, ME: International Marine. ISBN0-07-014501-6.
^Bruzelius, Lars (2003-12-14). "Flying Cloud". Sailing Ships: Flying Cloud (1851). The Virtual Maritime Archives. Retrieved May 8, 2010.
^Bruzelius, Lars (2000-01-11). "Nightingale". Sailing Ships: Nightingale (1851). The Virtual Maritime Archives. Retrieved May 8, 2010.
^ Crothers, William L. (1997). The American-Built Clipper Ship, 1850-1856: Characteristics, Construction, Details. Camden, ME: International Marine. pp. xii, etc. ISBN0-07-014501-6.
^ Gleason, Hall (1937). Old Ships and Ship-Building Days of Medford. Medford, MA: J.C. Miller. p. 73.
Crothers, William L. (1997). The American-Built Clipper Ship, 1850-1856: Characteristics, Construction, Details. Camden, ME: International Marine. ISBN0-07-014501-6.