Columbia subject headings:
Gender identity--Spain--History--19th century.
Gender identity--Spain--History--20th century.
Intersex people--Spain--Social conditions--19th century.
Intersex people--Spain--Social conditions--20th century.
Intersexuality--Spain--History--19th century.
Intersexuality--Spain--History--20th century.
Harvard subject headings:
Gender identity--Spain--History--19th century.
Gender identity--Spain--History--20th century.
Intersex people--Spain--Social conditions--19th century.
Intersex people--Spain--Social conditions--20th century.
Intersexuality--Spain--History--19th century.
Intersexuality--Spain--History--20th century.
Princeton subject headings:
Gender identity--Spain--History--19th century.
Gender identity--Spain--History--20th century.
Intersex people--Spain--Social conditions--19th century.
Intersex people--Spain--Social conditions--20th century.
Intersexuality--Spain--History--19th century.
Intersexuality--Spain--History--20th century.