Pyatt-Throckmorton and Proffit-Mooney Family Lines of Terry Edward Pyatt Manning, by Terry Manning.  Excerpts regarding the Pyatt line and collateral families.
William McCoy Piatt Squirrel Hunters Discharge Papers
William Arbuckle Deed
William Arbuckle Survey
William H Piatt Military Land Bounty (1852 Illinois)
Newspaper Holdings on Microfiche published before 1835 American Eagle, Easton, PA 
Civil War Piatts
New Jersey Civil War Record
Kinney Marriage

Nathaniel and Nancy Bittner Piatt

(the following courtesy of Laverne Ingram Piatt)
Will of Abram S. Piatt
Isiah Corrington vs Joseph Dunn document  (re: Asa Pyatt)
Fulkerson Document re:Jacob Piatt
Mary Ellen Piatt Quit Claim
The John Tollett Invetory Listing Jacob Pyatt as a debtor

(the following courtesy of Glenda Peyatt White)
Death Certificate, Anthony Peyatt, Nicholas Co, WV 1938
Death Certificate, James Arthur Peyatt, Nicholas Co, WV 1968
Death Certificate, JW Peatt, Nicholas Co, WV 1923
Death Certificate, James Peyatte, Pocahontas Co, WV 1857
William Peatt and Mary Smith, marriage bond, Augusta Co, VA
Anthony Newton and Alice Worth Peatt marriage certificate
Elijah H and Sarah (Schoonover) Peatt marriage certificate
Andrew Peatt Pension Affidavit
Andrew J Peatt Pension Affidavit Part 2
Andrew J Peatt Invalid Pension Application Part 1
Andrew J Peatt Pension Return
Deed--John W and MJ Peatt to SF Gillenwaters, Nicholas Co, WV (Kentucky Dist)
Deed-Numan D. and Albert Payatt (and others)to SF Gillenwaters, Nicholas Co, WV (originally purchased from Caperton Heirs by Elijah Payett) and the affidavit of the signers

(the following courtesy of David C. Piatt)
Rene Lefleur/Piatt Transcribed inventory 1705 by widow Elizabeth with scanned photo
Rene Piatt widow granted administration of his esate  with scanned photo

(the following courtesy of Sharolyn Peyatt)
Census Images, Fayette City, Arkansas 1880-James Peyatte family
Peter P Peyatt Administrators Bond, 1884 (image)
Administrators or Executors Inventory and Affidavit, second part here;  Witness Signatures
Pension Applications:
John Pyatt (wife Mary Jane) circa 1884  number one and number 2
John Pyatt (wife Ida M) circa 1911
John Pyatt (wife Alice A) circa 1890
Peter P Pyeatt Probate Records, Bolivar, MO
Census of family of James and Mahala Neal Pyeatt with notes from Sharolynn Pyeatt
From the Piatt-L Rootsweb mailing list:
The Conococheague-Piscataway Connection