Zwaanendael is a settlement in Delaware. It was built in 1631. The name is archaic Dutch spelling for "swan valley". Sources:
- America's Historylands: Landmarks of Liberty, National Geographic Press, 1967
- Delaware: A Guide To The First State, ed. Jeanette Eckman, Hastings House Press; New York, 1955
- http://www.destatemuseums.org/zwa/[broken citation]


