"The popularity of the car reshaped Catholicism in the city, forcing churches to adapt their worship practices to attract newly mobile parishioners."Livia Gershon at JSTOR Daily on "Riding with St. Paul in the Passenger Side": The Archdiocese of Milwaukee Enters the Automobile Age, 1920-1965" by Peter S. Cajka, American Catholic Studies, Vol. 121, No. 2 (Summer 2010), pp. 65-93.