Columbia subject headings:
Catholic Church--Catechisms--History and criticism.
Christian education--France--History--19th century.
Ferry, Jules, 1832-1893.
Laity--France--Catholic Church--Religious life.
Harvard subject headings:
Catholic Church--Catechisms--History--Sources.
Christian education--History--19th century.
Ferry, Jules, 1832-1893--Contributions in catechetical instruction.
Laity--Catholic Church--Religious life.
Princeton subject headings:
Catechetics--History--19th century.
Catechetics--History--20th century.
Catholic Church--Education--France--History--19th century.
Catholic Church--Education--France--History--20th century.