Columbia subject headings:
Christianity--Psychology.
High school students--Scandinavia--Attitudes.
Psychology and religion.
Harvard subject headings:
Christianity--Psychology
Finland--Religion--20th century.
High school students--Finland--Attitudes.
High school students--Religious life--Finland.
High school students--Religious life--Sweden.
High school students--Sweden--Attitudes.
Psychology and religion.
Sweden--Religion--20th century.
Princeton subject headings: