Columbia subject headings:
Adoption--Corrupt practices--Spain--History--20th century.
Children--Crimes against--Spain.
Kidnapping--Spain--History--20th century.
Missing children--Spain--History--20th century.
Harvard subject headings:
Princeton subject headings:
Adoption--Corrupt practices--Spain--History--20th century.
Children--Crimes against--Spain.
Kidnapping--Spain--History--20th century.
Missing children--Spain--History--20th century.