Columbia subject headings:
Botany--Poetry.
Natural history--Poetry.
Portland Vase--Poetry.
Harvard subject headings:
Botany--Poetry--Early works to 1800.
Botany--Poetry.
Natural history--Poetry.
Plants--Poetry--Early works to 1800.
Portland Vase.
Princeton subject headings:
Botany--Poetry.
Natural history.
Poetry.
Portland Vase.