Columbia subject headings:
Adult education--United States--Statistics.
College attendance--United States--Statistics.
College students--Employment--United States--Statistics.
Postsecondary education--United States--Statistics.
Harvard subject headings:
Adult education--United States--Statistics.
College attendance--United States--Statistics.
College students--Employment--United States--Statistics.
Postsecondary education--United States--Statistics.
Princeton subject headings:
Adult education--United States--Statistics.
College attendance--United States--Statistics.
College students--Employment--United States--Statistics.
Postsecondary education--United States--Statistics.
Statistics.