Columbia subject headings:
Bonnefoy, Yves--Criticism and interpretation.
Hughes, Ted, 1930-1998--Criticism and interpretation.
Harvard subject headings:
Bonnefoy, Yves--Criticism and interpretation.
Bonnefoy, Yves. Du mouvement et de l'immobilité de douve.
Hughes, Ted, 1930-1998--Criticism and interpretation.
Hughes, Ted, 1930-1998. Hawk in the rain.
Poetry, Modern--20th century--History and criticism
Princeton subject headings:
Bonnefoy, Yves--Criticism and interpretation.
Bonnefoy, Yves. Du mouvement et de l'immobilité de douve.
Hughes, Ted, 1930-1998--Criticism and interpretation.
Hughes, Ted, 1930-1998. Hawk in the rain.
Poetry--20th century--History and criticism.