Columbia subject headings:
Freed persons (Roman law)
Freed persons--Spain--Social conditions.
Social mobility--Spain--History.
Social status--Spain--History.
Harvard subject headings:
Freemen--Spain.
Romans--Spain
Social mobility--Spain.
Spain--History--Roman period, 218 B.C.-414 A.D.
Princeton subject headings:
Freed persons--Spain.
Romans--Spain.
Social mobility--Spain.
Spain--History--Roman period, 218 B.C.-414 A.D.