Mac Griswold appears in the following:
Three Centuries at a Slave Plantation on Long Island
Monday, August 12, 2013
Mac Griswold talks about Long Island’s Sylvester Manor and the family that has lived there since its founding as a slave plantation centuries ago. Alongside a team of archaeologists, Griswold began a dig that would uncover a landscape bursting with stories. The Manor: Three Centuries at a Slave Plantation describes how the house proved to be a hidden vault full of revelations and treasures, including the 1666 charter for the land, and correspondence from Thomas Jefferson.