Columbia subject headings:
Harvard subject headings:
Civilization, Modern
Religion and civilization.
Religion and sociology
Sociology, Urban--Religious aspects.
Sociology, Urban--Spain--Barcelona.
Sociology, Urban--Spain--Madrid.
Sociology, Urban--Spain.
Princeton subject headings:
Sacred space--Spain.
Spain--Civilization.
Spain--Religion.
Spain--Social conditions--19th century.
Spain--Social conditions--20th century.