sentences:  The main college library, which incorporated the collections of various Jesuit libraries and holds nearly 500,000 volumes, is known for its rich collection of Jesuit-related literature.In the interdiocesan major seminary, 30 seminarians of several German dioceses, mainly of Limburg, Hamburg, Osnabrück, Hildesheim, are studying for the Roman Catholic priesthood.20 post-graduate students, mostly priests, from all over the world are living in the same seminary, pursuing doctoral or licentiate programs.