http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Monthly (except Aug. and Sept.), 1914-1960
Monthly (except bimonthly May/June and Nov./Dec.), 1961-1984
Published by: Botanical Society of America, 1936-
Volume 1 (1914)-volume 7 (1920) are digital reproductions of the reprint edition published: New York : Johnson Reprint Corp., 1960.
Official publication of the Botanical Society of America.
Botanic Society of America, P.O. Box 299, St. Louis, MO 63166-0299