By A Mystery Man Writer
Cortlandt Manor map : prepared expressly for this work - NYPL Digital Collections
Pierre Van Cortlandt + Joanna Livingston - Our Family Tree
Pierre Van Cortlandt + Catherine Clinton - Our Family Tree
Philip Van Cortlandt by Ezra Ames
Category:Philip Pieterse Schuyler - Wikimedia Commons
Philip Van Cortlandt (U.S. National Park Service)
Philip Schuyler Facts for Kids
Philipova Facebook, Instagram & Twitter on PeekYou
Pierre Van Cortlandt - Wikipedia
John Evert Van Alen, Historica Wiki
Category:Philip Hamilton (the second) - Wikimedia Commons
Philip Van Cortlandt by Ezra Ames
Pumpkin Blaze Van Cortlandt Manor – Visiting a Museum: The Unique, Unusual, Obscure and Historical