Columbia subject headings:
Authors, American--19th century--Political and social views.
Authors, English--19th century--Political and social views.
Families--England--History--19th century--Case studies.
Families--United States--History--19th century--Case studies.
Middle class--England--History--19th century--Case studies.
Middle class--United States--History--19th century--Case studies.
Harvard subject headings:
Authors, American--19th century--Political and social views.
Authors, English--19th century--Political and social views
Families--England--History--19th century--Case studies.
Families--United States--History--19th century--Case studies.
Middle class--England--History--19th century--Case studies.
Middle class--United States--History--19th century--Case studies.
Princeton subject headings:
Authors, American--19th century--Political and social views.
Authors, English--19th century--Political and social views.
Families--England--History--19th century--Case studies.
Families--United States--History--19th century--Case studies.
Middle class--England--History--19th century--Case studies.
Middle class--United States--History--19th century--Case studies.