Columbia subject headings:
Education (Christian theology)
Education--Aims and objectives--United States.
Humanism.
Secularism.
Textbook bias--United States.
Harvard subject headings:
Christian education.
Education--Aims and objectives--United States
Humanism--Controversial literature.
Secularism--Controversial literature.
Textbook bias--United States.
Princeton subject headings:
Education (Christian theology)
Education--Aims and objectives--United States.
Humanism--Controversial literature.
Secularism--Controversial literature.
Textbook bias--United States.