found: The Old Catholic sourcebook, 1983:CIP t.p. (Karl Pruter) data sheet (b. 1942) galleys (Old Catholic bishop)
found: Neo-congregationalism, 1985:CIP t.p. (Hugo R. Pruter) data sht. (Hugo Rehling Prüter, b. 1920)
found: Phone call to pub., 5-23-85(Karl Pruter is church name taken by Hugo Pruter when he converted in 1960. B. date 1942 incorrect)
found: A directory of autocephalous Anglican, Catholic, and Orthodox bishops, c1985:CIP t.p. (Karl Prüter)
found: Wikipedia, viewed January 1, 2023:Karl Pruter (Karl Hugo Prüter, commonly referred to as Karl Pruter (July 3, 1920--November 18, 2007), was an Old Catholic Bishop in the United States. He founded the Christ Catholic Church. Pruter was raised in a Lutheran church and served as a Congregationalist minister under the name of Hugo Rehling Pruter, Sr., from 1945 to 1958 ... Pruter's introduction to the Free Catholic Movement and Old Catholicism came in 1963, when he traveled to Europe -- he settled in Boston hoping to find an available church or bishop ... Pruter was consecrated as bishop of the Diocese of Boston ... In 1967 ... Pruter was a vigorous publisher and distributor of literature in his fields of interest. The press he founded, St. Willibrord Press, was a major distributor of literature about Old Catholicism. He wrote a number of tracts and pamphlets, as well as books such as The Teachings of the Great Mystics and A History of the Old Catholic Church ... In his later years Pruter made his home in Highlandville, Missouri ...) - https://en.wikipedia.org/wiki/Karl_Pruter