Columbia subject headings:
Harvard subject headings:
Animals--Poetry--Early works to 1800.
Birds--Poetry--Early works to 1800.
Latin poetry, Medieval and modern.
Natural history--Poetry.
Natural history--Pre-Linnean works
Plants--Poetry--Early works to 1800.
Princeton subject headings:
Animals--Poetry--Early works to 1800.
Birds--Poetry--Early works to 1800.
Plants--Poetry--Early works to 1800.
Poetry.