Meddelelser om Grønland

Alaska-cedar : a bibliography with abstracts

The year without a summer? : world climate in 1816

Draft vegetation treatments using aminopyralid, fluroxypyr, and rimsulfuron on Bureau of Land Management lands in 17 western states programmatic environmental impact statement

The Canadian field-naturalist

Contributions from the University of Michigan Herbarium

Report of the Canadian Arctic Expedition 1913-18

Proceedings of the fifth annual Applied Aquatic Studies Workshop, Edmonton, Alberta, February 21-22, 1989

Field Museum of Natural History bulletin

Memoirs of the National Academy of Sciences