Columbia subject headings:
Harvard subject headings:
City planning--Austria--Vienna--Religious aspects--Islam.
Islam--Austria--Vienna.
Mosques--Austria--Vienna.
Muslims--Austria--Vienna--Social conditions.
Social integration--Austria--Vienna--Religious aspects--Islam.
Vienna (Austria)--Ethnic relations.
Princeton subject headings:
Mosques--Austria--Vienna.
Muslims--Austria--Vienna.
Sacred space--Austria--Vienna.