Columbia subject headings:
Apportionment (Election law)--United States--States.
Apportionment (Election law)--United States.
Election districts--United States.
Minorities--Suffrage--United States.
Representative government and representation--United States.
Harvard subject headings:
Apportionment (Election law)--United States--Congresses.
Election districts--United States--Congresses.
Minorities--Suffrage--United States--Congresses.
Representative government and representation--United States--Congresses.
Princeton subject headings:
Apportionment (Election law)--United States--Congresses.
Election districts--United States--Congresses.
Minorities--Suffrage--United States--Congresses.
Representative government and representation--United States--Congresses.