D
- The dance test: no dance company seated here — the region's company is South Bend's Arts
- The DAR's Historic Background (1927) Sources
- The Dealer Record to the Present Row: Selling and Servicing, Then and Now Tractors
- Dealerships Section
- Dealerships — the older record, tested Businesses
- The Death Crossing: four tracks at grade, and the cure Transportation
- The defense city test: I/N Tek and I/N Kote in the federal contract record Military
- The defining closings, gathered: a flag stop, a paper, a schoolhouse, a pause Famous Stories & the Record
- The defining feature: a lake-prairie on the divide, measured and named Before New Carlisle
- Defining Players I: Robakowski and Geyer, and the 2023 Softball Champions Whole Team Histories
- Defining Players II: Greenwood and Robinson, and the 2024 Baseball Champions Team Histories
- Defining Players III: Christian Carroll, State Champion at 220 Team Histories
- Defining Players IV: The Wiffle Ball Hall of Fame Rolls Team Histories
- The demolition ledger, whole Architecture
- The denominational set: Catholic Charities, and the parish-relief line at Terre Coupee Charities
- Density and rank, dated; the metro, stated precisely Population
- The Departed Predators: Wolf, Panther, Bear Wildlife
- The departments as they stand, and the buildings government lives in Government
- The Depression test, and the end — absorbed, December 1963 Banks
- Desegregation: The State Act, and a Tested None for This Corporation Schools
- The Development-Corporation Series Foundations & Nonprofits
- The Device Test, Printed Whole: Components Yes, Implants None Medical Advancements
- The digital newspaper repositories, named — and a tested absence Sources
- The digitized shelves, as used Sources
- The Dillinger exclusion: Ohio's New Carlisle imports nothing Crime
- The directors: Boggs to Hooton, at examination strength Libraries
- The directors: the line to its current holder, with its two spans named Libraries
- The directory era — Foster, Waynick, and Borden the dentist Health & Care
- The directory record first: four titles seated in New Carlisle Newspapers & Media
- The directory roll of 1916–17 — the town's trade entire Businesses
- The disability charities: LOGAN, the county's community-resources agency Charities
- The disaster set at building granularity Wars & Military Service
- The disaster-and-recovery beats: the floods, with the argument about the numbers The Story of New Carlisle
- Disco, 1980s big-room and warehouse-club test: the press and directory record, 1970–2000 Bars & Nightclubs
- Discovery vs. Care: The Firsts Frame Run Over This Town Medical Advancements
- The distillers: a searched negative with its span printed, 1850s–2026 Wineries & Distilleries
- The district neighborhoods Neighborhoods
- The district: one township, taxed as one Libraries
- Divided foundings, the transformer, and the casualty test Founders & CEOs
- Doors and licences: the imperial mechanism explained, and this town's inverse door Exports
- Dot-com and the lottery: two more rolls the town is not on Dot-Com Era
- Dot-Com Era Section
- The downtown unmade and the first plaza: two named gaps Malls & Shopping
- Draft boards and recruiting: the machinery stood in South Bend Military
- Drainage as its own article: the Kankakee edge and the making of the farmland Farms & Agriculture
- Dress on show, and the school dress record: two tests the open record cannot settle Fashion
- The drift and the lobes: the ground the ice left Before New Carlisle
- The drone era tested: winter 2024–25 in northern Indiana UFO Sightings
- The dry years: the township answered liquor with a lodge Crime
- Durable named rooms, individually: two cafés, a tavern named in 2000, and an Irish pub Bars & Nightclubs