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- The paired founders, worked from their roster lines Founders & CEOs
- The palimpsest: what the names remember, and the corridor state in November 2026 Main Roads & Corridors
- The Paper First — Original Plat and Additions Neighborhoods
- The paper-carried hoax test: none reached, the settler standing Folklore
- The parish table and the cookbook test: suppers without a book Food & Drink
- Park fabric: fields, a bandstand that isn't, and the memorial stock Architecture
- Parks Section
- Passed through, victim here: the Little confession record checked for a Lakeville victim Serial Killers
- The patronage era as it landed here: a system with no local post License Branch
- The Pelley names — fame of the kind the town did not choose Famous People
- The penalty suit and the Supreme Court: Norris v. Crocker, 1851 Underground Railroad
- The peoples of this ground Native Nations
- The peoples sequence, stated as two facts Before Lakeville
- Periodicals and shelf scholarship: the IMH stock and the monographs Sources
- The person the record loses: Private Martin Gunderson, burial place unknown Historical Mysteries
- Phillip A. Stroud — scene of crime only Famous People
- The photographer-inventor test: no camera patent, and the Roncz cross-reference Photographers
- Photographers Section
- Photographers & Producers — Legs 63 and 64: Two Proved Absences Photographers
- The Pigeon and the Prairie Chicken — Two Sentences of Chapman's, Both Carried Out Wildlife
- A place of rest on the great highway The Story of Lakeville
- The place-name: the lakes south of the town Native Nations
- The plank road: G-SP-3 settled — the South Bend and Plymouth Plank Road Company, 1851–52 Main Roads & Corridors
- Plans as maps: the town drawn as it was meant to become, plan by plan Historic Maps
- The plat course whole, at page strength The Land
- The plat's course: an addition on record before the original The Story of Lakeville
- The plat: Lots A–F, and no dedicator named The Land
- The plate record: county 71 on a Lakeville windshield License Branch
- Plymouth Municipal: the field to the south — and a tie that isn't Airports
- Poor relief: the county farm, 1831–2023, and the township trustee Charities
- Population Section
- Population & Demographics Population
- Porter-Rea Cemetery: the burying ground Black History
- Porter-Rea Cemetery: the Settlement's Ground, Worked Whole Cemeteries
- The portrait test: what the town's famous faces looked like, and whether the images survive Historical Mysteries
- Potato Creek's Traces of Human Impact — 10.85 Hiking Miles, the Worster Ice, and Its Lost Village Hiking Trails
- Power changing state, dated: steam 1849, and the current that came by co-operative Industrial Revolution
- The power source measured: no fall, no race, no dam — steam from the first mill Industrial Revolution
- The pre-modern line: justices of 1836, a constable unnamed, and a marshal line from 2012 Public Servants
- The Present Carriers — November 2026 Newspapers & Media
- The Present State — as of November 2026 Hoosier Racing Tire
- The Present Storefront Census — Still a Gap, and Named as One Malls & Shopping
- The Present-Day Storefront Census — November 2026, at Listing Strength More Businesses
- Preservation and Advocacy — Seated in South Bend, Working This County Foundations & Nonprofits
- The preservation ordinance Historic Preservation
- The presidents as people: what the record prints of the men and women in the chair Notable People
- The presidents' and clerks' lines, as far as the schedules carry them Government
- The presidents' and clerks' lines, at every strength reached Government
- The press photographers: a South Bend staff tradition, Lakeville subjects Photographers
- Printers — the Paper Verified Past Its Directory Life; the Printer Still Unnamed More Businesses
- Private Clubs Section
- Production Marques, False Marques, and the Built-Here / Sold-Here Boundary Automobiles
- The professional record: no Black physician, nurse or hospital worker named Black History
- The Professional Roster — Four Physicians in Polk, Three in Chapman, and the Attorneys Who Aren't There Businesses
- The Prolific Line — Grove's Bibliography Whole, and Roncz's Book Restored to the Shelf Authors & Books
- Public Servants Public Servants
- Public Servants Section
- Public Transit Section
- The Pulitzer Test, Paper and Person Separately — and the National Book Prizes Awards & Honors
- The Pull List — What Remains Physical, Geyer First Sources