Columbia subject headings:
Infant health services--England--London--History.
Maternal and infant welfare--England--London--History--20th century.
Maternal health services--England--London--History.
Harvard subject headings:
Infant health services--England--London--History--20th century.
Maternal and infant welfare--England--London--History--20th century.
Maternal health services--England--London--History--20th century.
Princeton subject headings: