Columbia subject headings:
Harvard subject headings:
Jews--Canada--Societies, etc.--Directories.
Jews--United States--Societies, etc.--Directories.
Synagogues--Canada--Directories.
Synagogues--United States--Directories.
Princeton subject headings:
Jews--Canada--Societies, etc.--Directories.
Jews--United States--Societies, etc.--Directories.
Synagogues--Canada--Directories.
Synagogues--United States--Directories.