History
Brower, L. P. 1995. Understanding and misunderstanding the migration of the monarch butterfly (Nymphalidae) in North America: 1857-1995. Journal of the Lepidopterists' Society 49:304-385 [Keywords: migration, overwintering, history of monarch research, open questions, Mexico]
Shepardson, L. 1914. The butterfly trees San Francisco:. 32 pp.
Urquhart, F. A. 1976. Found at last: the Monarch's winter home. National Geographic Magazine (Washington) 150:160-173
Urquhart, F. A. 1978. Monarch migration studies. News of the Lepidopterists' Society 1978:3-4 [Keywords: anecdotal history] |