Columbia subject headings:
Authorship--Collaboration.
Child authors--Great Britain--History--19th century.
Child authors--Great Britain--History--20th century.
Children's literature, English--History and criticism.
Children--Writing.
English literature--19th century--History and criticism.
English literature--20th century--History and criticism.
Harvard subject headings:
Authorship--Collaboration
Child authors--Great Britain--History--19th century.
Child authors--Great Britain--History--20th century.
Children's literature, English--History and criticism.
Children--Writing
English literature--19th century--History and criticism
English literature--20th century--History and criticism
Princeton subject headings:
Authorship--Collaboration.
Child authors--Great Britain--History--19th century.
Child authors--Great Britain--History--20th century.
Children's literature, English--History and criticism.
Children--Writing.
English literature--19th century--History and criticism.
English literature--20th century--History and criticism.