Columbia subject headings:
English poetry--20th century.
English poetry--21st century.
Irish poetry--20th century.
Irish poetry--21st century.
Poets, English--20th century--Biography.
Poets, English--21st century--Biography.
Poets, Irish--20th century--Biography.
Poets, Irish--21st century--Biography.
Harvard subject headings:
English poetry--20th century
English poetry--21st century
Irish poetry--20th century
Irish poetry--21st century.
Poets, English--20th century--Biography
Poets, English--21st century--Biography.
Poets, Irish--20th century--Biography.
Poets, Irish--21st century--Biography.
Princeton subject headings:
English poetry--20th century.
English poetry--21st century.
English poetry--Irish authors--20th century.
English poetry--Irish authors--21st century.