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Surname
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Region | Book Title | Catalog # | Notes |
| | Pitts | Talbot | MD | Colonial Families of the Eastern Shore of MD, Vol .18 | D121 |
| | Pleasanton | Kent | MD | Colonial Families of Delaware, Vol. 1 | D1949 |
| | Pleasants | Henrico | VA | Early Settlers of Tidewater Virginia, Vol. 1 | D700 |
| | Plummer | Newbury | MA | Ancestral Lines from Maine to Virginia | CB001 |
| | Plummer | Southside | VA | Southside Virginia Families, Vol. 1 | CC531 |
| | Pointer | Worcester | MD | Colonial Families of the Eastern Shore of MD, Vol. 9 | D001 |
| | Polk | Somerset | MD | Colonial Families of the Eastern Shore of MD, Vol. 15 | D053 |
| | Pollock | Virginia | VA | Virginia Genealogies | CC2630 |
| | Ponder | Dorchester | MD | Colonial Families of the Eastern Shore of MD, Vol. 21 | D1224 |
| | Ponder | Kent | MD | Colonial Families of the Eastern Shore of MD, Vol. 21 | D1224 |
| | Ponder | Queen | MD | Colonial Families of the Eastern Shore of MD, Vol. 21 | D1224 |
| | Poole | Anne Arundel | MD | Colonial Families of Anne Arundel County, MD | D1252 |
| | Poole | Dorchester | MD | Colonial Families of the Eastern Shore of MD, Vol. 11 | D004 |
| | Pope | Worcester | MD | Colonial Families of the Eastern Shore of MD, Vol. 9 | D001 |
| | Porter | Anne Arundel | MD | Colonial Families of Anne Arundel County, MD | D1252 |
| | Porter | Cecil | MD | Colonial Families of the Eastern Shore of MD, Vol. 6 | D1958 |
| | Porter | Kent | MD | Colonial Families of the Eastern Shore of MD, Vol. 1 | D1180 |
| | Porter | Worcester | MD | Colonial Families of the Eastern Shore of MD, Vol. 9 | D001 |
| | Posey | Southern | MD | Early Families of Southern Maryland, Vol. 5 | WB1249 |
| | Post | Kingston | NY | Ancestral Lines from Maine to Virginia | CB001 |
| | Potter | Somerset | MD | Colonial Families of the Eastern Shore of MD, Vol. 22 | D1225 |
| | Potts | Hunterdon | NJ | Gen. of Early Settlers in Trenton & Ewing "Old Hunterdon", NJ | CC1150 |
| | Powel | Pennsylvania | PA | Welsh Founders of Pennsylvania | CC2230 |
| | Powell | Anne Arundel | MD | Colonial Families of Anne Arundel County, MD | D1252 |
| | Powell | Queen | MD | Colonial Families of the Eastern Shore of MD, Vol. 3 | D1302 |
| | Powell | Talbot | MD | Colonial Families of the Eastern Shore of MD, Vol. 3 | D1302 |
| | Powell | Virginia | VA | Virginia Genealogies | CC2630 |
| | Powell | Worcester | MD | A Somerset Sampler, Families of Old Somerset Co. MD | L002 |
| | Pratt | Kent | DE | Colonial Families of Delaware, Vol. 9 | D0861 |
| | Pratt | Queen | MD | Colonial Families of the Eastern Shore of MD, Vol. 4 | D1498 |
| | Pratt | Talbot | MD | Colonial Families of the Eastern Shore of MD, Vol. 4 | D1498 |
| | Pratt | Westmorelan | VA | Colonial Families of Northern Neck, Vol. 2 | D1988 |
| | Pratten/Pratt | Cape May | NJ | Colonial Families of Cape May, NJ | D048 |
| | Preston | Queen | MD | Colonial Families of the Eastern Shore of MD, Vol. 5 | D1956 |
| | Preston | Southern | MD | Early Families of Southern Maryland, Vol. 3 | WB0833 |
| | Preston | Talbot | MD | Colonial Families of the Eastern Shore of MD, Vol. 5 | D1956 |
| | Prettyman | Sussex | DE | Colonial Families of Delaware, Vol. 3 | D7609 |
| | Price | Cecil | MD | Colonial Families of the Eastern Shore of MD, Vol .18 | D121 |
| | Price | Cecil | MD | Colonial Families of the Eastern Shore of MD, Vol. 6 | D1958 |