1. Bowles EA. My garden in spring. New York: Dodge; 1914.
2. Moldenke HN, Moldenke AL. Plants of the Bible. New York: Dover; 1952.
3. Galanthus plicatus. Gardeners’ Chronicle & Agricultural Gazette, 17 May 1856.
4. Two snowdrops. The New Flora and Silva 1939;11:226.
5. Allen J. Snowdrops. J Royal Hortic Soc. 1891;13:172–88.