This is anon-diffusing subcategory ofCategory:20th-century American women.
It includes 20th-century American women that can also be found in the parent category, or in diffusing subcategories of the parent.

This is anon-diffusing subcategory ofCategory:20th-century African-American people.
It includes African-American people that can also be found in the parent category, or in diffusing subcategories of the parent.