Canadian agricultural thesaurus
Subtitle: first approximation.
Contributors: Canada. Dept. of Agriculture. Research Branch
Publisher: Research Branch, Canada Department of Agriculture
Published: 1971
Place of publication: [Ottawa]
Language: eng
Subjects: Agriculture -- Terminology; Subject headings -- Agriculture
Notes: Section 1. General.-  Section 2. Systematics (Plants & viruses)- Section 3. Systematics (Animals)-  Section 4. Chemicals.