Article Simpson, Marcus B., Jr.; Simpson, Sallie W.; Johnston, David W. (2010)
Zoological Material for John Lawson's “Compleat History” of Carolina (1710--1711): Specimens Recorded in Hans Sloane's Catalogues. Archives of Natural History (p. 333). (/isis/citation/CBB001031443/) unapi

Article Simpson, Marcus B., Jr.; Simpson, Sallie W. (2008)
John Lawson's A New Voyage to Carolina: Notes on the Publication History of the London (1709) Edition. Archives of Natural History (p. 223). (/isis/citation/CBB000931217/) unapi

Article Simpson, Marcus B., Jr.; Moran, Stephen; Simpson, Sallie W. (1997)
Biographical notes on John Fraser (1750-1811): Plant nurseryman, explorer, and royal botanical collector to the Czar of Russia. Archives of Natural History (pp. 1-18). (/isis/citation/CBB000072948/) unapi

Article Simpson, Marcus B., Jr.; Simpson, Sallie W. (1983)
Moses Ashley Curtis (1808-1872): Contributions to Carolina ornithology. The North Carolina historical review (pp. 137-170). (/isis/citation/CBB000002723/) unapi

Article Simpson, Marcus B.; Simpson, Sallie W. (1981)
Thomas Hariot's A briefe and true report of the new found land of Virginia, 1588: An additional source for Dr. John Brickell's Natural history of North Carolina, 1737. The North Carolina historical review (pp. 155-162). (/isis/citation/CBB000013497/) unapi

Article Simpson, Marcus B., Jr.; Simpson, Sallie W. (1977)
The Reverend John Clayton's letters to the Royal Society of London, 1693-1694: An important source for Dr. John Brickell's Natural history of North Carolina, 1737. North Carolina Historical Review (pp. 1-16). (/isis/citation/CBB000021317/) unapi