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- La Casa de Amistad Charities
- La Salle at the portage, 1679 and 1681 The Story of South Bend
- La Salle's passage: December 1679 Before the City
- The labor line, re-pulled: September 2026 is still the latest month South Bend Today
- The labor the factories drew Industrial Revolution
- Labor unrest · the sit-down's city, and an honest negative Wars, Unrest & Disasters
- The Lafayette Avenue House: National, St. James, Windsor Hotels
- Lafayette Boulevard: Automobile Row Dealerships
- The Lafayette Building fire · 8 June 2026 Wars, Unrest & Disasters
- The lake sturgeon: the river's great fish, between the dams Wildlife
- Landmark acts I: the closing, and the government's fifty-year answer Government
- Landmark acts II: urban renewal — what was built, what was demolished, who paid Government
- Landmark acts III: the annexation wars Government
- Landmark acts IV: rebuilding downtown, project by project Government
- The largest of all: the Walsh family's 150 million dollars for architecture Major Donations
- "The largest vehicle house in the world" — Studebaker's billing of itself Famous Stories & the Record
- The Lark, and the forty days of the Avanti Studebaker
- Larry Karaszewski: born and raised, and the hinge to the local broadcast Comedy
- Larry Karaszewski: the hometown screenwriter with two Emmys Famous People
- LaSalle and Jackson: the Converted High Schools Schools & Colleges
- LaSalle Grill: the Four Diamond house, 1991–2026 Food & Restaurants
- The LaSalle Hotel and the LaSalle Annex Hotels
- LaSalle Park: the neighborhood the city built Neighborhoods
- LaSalle Square: the west side's center Malls & Shopping
- The LaSalle Trail Trails
- The last chiefs — Nance, Hurley, Egbert, Burlingame Founders & CEOs
- "The Last Lap" — and the afterlife that followed it Racing
- The last regiments · the hundred-days men of the 138th and the one-year men of the 155th Wars, Unrest & Disasters
- Lathrop M. Taylor — the second founder Founders & CEOs
- Lathrop M. Taylor: A Modest Estate, Well Concealed Great Fortunes
- The laundries — a trade with no heading Businesses
- The law of keeping: the ordinance of 1973 and the Commission Historic Preservation
- The law over their heads · the Black Laws, Article XIII, and the register that does not survive Underground Railroad
- Lead and the ground at Beck's Lake: the environmental-health record Epidemics & Public Health
- A League of Their Own — the league was this city's; the cameras were not Famous Landmarks
- The League of Women Voters and the YWCA: the ballot's institutions Women's History
- The league's own archive — the AAGPBL collection Museums
- The leaving: Atlanta chosen, and the last afternoon Halls of Fame
- The ledger of losses Historic Preservation
- Lee Nailon: From Clay's State Title to an MVP in Israel Sports Players
- Leeper Park: The City's First Zoo, 1902 Zoo
- Leeper Park: The Water Works Ground, the First Planned Park Parks & City Planning
- Leif O'Connell · the random shootings of February 1997 Notable Murder Cases
- The Leighton fortune as a giving institution: the award, the hospital names, and a foundation of 150 million Major Donations
- Leighton Pine — Singer's man, and the works he kept in South Bend Founders & CEOs
- Lewis Hine at the Singer works: the child-labor camera in South Bend Photographers
- Lib Mahon: Eight Seasons, Then a South Bend Life Sports Players
- Lib Mahon: The Run Producer South Bend Blue Sox
- Libraries Section
- The library as civic actor Libraries
- The library on the wire: catalog, web page, and Studio 304 Libraries
- License Branch Section
- License Branch: Not Found and Still Open License Branch
- The licensing beats: the driver's license at the county seat's counter License Branch
- Light on the river: public art as policy, and SB150 Culture
- Lilly Endowment's line: the largest foundation grants in the record Major Donations
- The Lincoln Highway ran through South Bend: 1913 to 1928 Main Roads & Corridors
- Lincoln Park: the Lincolnway West neighborhood Neighborhoods
- Linden School and the long desegregation · from a ceiling's collapse to a federal decree Black History
- The Linebacker Lounge: the Backer, across from Notre Dame Bars & Nightclubs
- The Link Trail Trails
- The Lions Return; the Andean Bears Arrive Zoo
- The literary institutions: journals and presses Arts
- The living map: county GIS and the plats' digital survival Historic Maps
- Lloyd Haynes — Pete Dixon of Room 222 Famous People
- Lloyd M. Allen: the mayor who inherited the closing Government
- Local & Family History, St. Joseph County Public Library Sources
- Local & Family History: the county's memory, kept on the third floor Libraries
- The Local 9 generation: the thousand who sat down Notable People
- The local shelf — picture books, museum books, and the county's own keeping Authors & Books
- The lodge buildings: from the Lincoln Block to North Main Street Lodges & Fraternal Orders
- The lodge census of 1921: the system at its peak Lodges & Fraternal Orders
- Lodges & Fraternal Orders Section
- The Loewy years: the Champion, the coming-or-going coupe, and the Bourke coupes Studebaker
- LOGAN Community Resources Charities
- The long contraction, and what stands Lodges & Fraternal Orders
- The long decline The Story of South Bend
- The long tail: names the record carries Notable People
- The Lore Business — Books, Tours, Podcasts and Lists Ghost Stories
- The losses that taught the city Historic Preservation
- The Lost Downtown — the Oliver Hotel, the Opera House, the Colfax Architecture
- Lottery & Crypto Section
- Lowell and the East Bank: the factory village on the east race Industrial Revolution
- Lowell: the town across the river Neighborhoods
- The lunch that built a competition: Fischoff, 1973 Culture
- The Lutherans: St. Paul’s Evangelical Lutheran Church, 1878 Churches & Religion
- Lydick Bog Nature Preserve Trails