True photograph postcard showing the residence of Mortiz Koppe, Monsey, NY. This postcard is postmarked1913, and is addressed to Mrs. D. A. Schoonmaker 30 East 40th St, Bayone NJ. The message reads " This is the house you used to live in in...
"Negro Plot in Ulster County". An account of a slave conspiracy uncovered by John Schoonmaker. Schoonmaker overheard one of his slaves, York, talking to one of Johannes Schoonmaker's slaves, Joe, about a plan to set the houses of their masters on...