What is the fine-grained topic of the following text: Prior to his incardination, Father Wielebski served at Sacred Heart, Glyndon, 1974-1978 (as an intern); U.S. Penitentiary, Marion, IL, 1978-1981; Holy Trinity Monastery, Pikesville, 1981-1983; Redeemer House Shelter, Baltimore, 1983-1984; St. Bernard, Baltimore, 1984-1985; and St. Dominic, Baltimore, 1985-1988. Only return the topic.
Father Wielebski's past services and assignments