: Lituanistikos tyrimo ir studijų centras (LTSC)) is a non-profit scholarly research organization, which brings together varying cultural and academic organizations towards acquiring and preserving Lithuanian artifacts, documents, and other materials of cultural significance.
The LRSC was created in 1982 in Chicago, Illinois to unify a number of other Lithuanian organizations.
Its archival, periodical, audio-visual and musicology collections are in a 7,000 square foot self-owned facility at 15533 129th St. in Lemont.
Its 75,000 volume library, Lithuanian Museum, Thomas Remeikis Political Science Library, Jonas Dainauskas History Library, Milda Budrys Medical Museum, military and art archives comprise another 7,000 square feet in the Lithuanian Youth Center (Lietuvių Jaunimo Centras, 5620 S. Claremont Ave.) in Chicago, Illinois.
The center is the largest Lithuanian scholarly institution, archive, and publisher outside Lithuania.