This portrait of MacGregor was probably painted in 1821; it appears in Strangeways’ Sketch of the Mosquito Shore, published in London in 1822.
Society, Florida Historical
"General Gregor MacGregor,"
Florida Historical Quarterly: Vol. 7:
1, Article 4.
Available at: https://stars.library.ucf.edu/fhq/vol7/iss1/4