Columbia subject headings:
Steinbeck, John, 1902-1968. Grapes of wrath.
Harvard subject headings:
Steinbeck, John, 1902-1968--Stage history.
Steinbeck, John, 1902-1968. Grapes of wrath
Princeton subject headings:
Steinbeck, John, 1902-1968--Adaptations.
Steinbeck, John, 1902-1968. Grapes of wrath.
Whitebrook, Peter, 1952- Grapes of wrath.
Whitebrook, Peter, 1952---Notebooks, sketchbooks, etc.