Biodiversity Heritage Library
Subject "Audio-visual aids"
Environmental education : catalogue of resources for grades I to XII.
By: Alberta. Curriculum Branch.
Publication info: [Edmonton, Alta.] :Curriculum, Alberta Education,1983.
Holding Institution: University of Alberta Libraries (archive.org)
Subjects: Audio-visual aids Bibliography Catalogs Environmental education
Equipment in agriculture, nature study, and geography /
By: Miami University (Oxford, Ohio). Ohio State Normal College.
Publication info: [Oxford, Ohio] :Miami University,
Holding Institution: University Library, University of Illinois Urbana Champaign
Subjects: Agriculture Aids and devices Audio-visual aids Catalogs Equipment and supplies Geography Miami University (Oxford, Ohio) Natural history Ohio State Normal College Teaching