Columbia subject headings:
Bible. Amos--Commentaries.
Bible. Joel--Commentaries.
Bible. Jonah--Commentaries.
Bible. Obadiah--Commentaries.
Harvard subject headings:
Bible. Amos--Commentaries.
Bible. Joel--Commentaries.
Bible. Jonah--Commentaries.
Bible. Obadiah--Commentaries.
Princeton subject headings: