Indianapolis: Indiana Historical Society, 1972. First edition - Three lectures presented in 1971-1972, including one of the city as a melting pot by Arthur Mann, which opens with a prescient sentence, even more true now, more than 50 years later: "The specter of fragmentation haunts the United States as never before in recent memory," Illustrated with photographs, notes, 65 pp plus colophon. ISBN: B00310CQ5S.