Columbia subject headings:
Darwin, Charles, 1809-1882. Expression of the emotions in man and animals--Concordances.
Emotions--Concordances.
Expression--Concordances.
Psychology, Comparative--Concordances.
Harvard subject headings:
Darwin, Charles, 1809-1882. Expression of the emotions in man and animals--Concordances.
Emotions--Concordances.
Expression--Concordances.
Psychology, Comparative--Concordances.
Princeton subject headings:
Darwin, Charles, 1809-1882. Expression of the emotions in man and animals--Concordances.
Emotions--Concordances.
Expression--Concordances.
Psychology, Comparative--Concordances.