http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Four teaching units which begin with primary activities and end with advanced activities. Includes craft projects and worksheets.
Microfiche. Millwood, N.Y. : Kraus International Publications, 1990. 1 microfiche. (Kraus curriculum development library ; ENV K-030).
Ranger Rick's naturescope ; vol. 4, no. 4
Kraus Curriculum Development library ; ENV K-030