found: Ehe und Eheschliessung in der Bibel und in der Geschichte der alten Kirche, 1985:title page (Alfred Niebergall) page xxiii (Professor für Praktische Theologie; died December 28, 1978, at age 69)
found: Die Geschichte der evangelischen Trauung in Hessen, 1972:title page (Alfred Niebergall)
found: Philipps-Universität Marburg website, viewed July 1, 2020(news release dated November 4, 2009: 100. Geburtstag von Alfred Niebergall; Alfred Niebergall (1909-1978); would have celebrated his 100th birthday on November 9, 2009; he was professor of practical theology at Marburg from 1959 to 1978 and served as rector of the University from 1962 to 1964) - https://www.uni-marburg.de/aktuelles/news/2009b/1103a found: German Wikipedia, viewed July 1, 2020(under Friedrich Niebergall: Alfred Niebergall (1909-1978) was the son of the theologian Friedrich Niebergall (1866-1932); in 1957, Alfred was appointed to the professorship at Marburg that his father had once held)
