From the record
“Francis de Sales Church, also known as the Oratory of Saint Francis de Sales, is a Catholic oratory in south St. It is the second largest church in the Archdiocese of St.”
Wikipedia article St. Francis de Sales Oratory, CC BY-SA 4.0.
One of 663 National Register listings published here for St. Louis County · listed in 1978 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

