There are 2 titles associated with this person.

@book{ wphp_20947
  author={Peters,Richard and Steele,John D. and Cooper,Joseph and Cooper,Paul and Mease,James and Young,William and Fothergill,Anthony and Kirk,Caleb and Roberts,Algernon and Taylor,John and Matlack,Timothy and Coxe Jr.,William and Coates,Moses and Capner,Joseph and Keemle,John and Pearson,John and Tilton,James and Ashford,William and Bakewell,William and Dickey,Samuel and Main,Thomas and Bartram,William and Peale,Rembrandt and Caldwell,Charles and Leaming,Thomas F.},
  year={1808},
  title={Memoirs of the Philadelphia Society for Promoting Agriculture. Containing Communications on Various Subjects in Husbandry & Rural Affairs. To which is added, A Statistical Account of the Schuylkill Permanent Bridge. Vol. I.},
  publisher={},
  address={Philadelphia},    }
@book{ wphp_21284
  author={Fothergill,Anthony},
  year={1808},
  title={Remarks on the Smut and Mildew of Wheat: with hints on the most probable means of prevention; addressed to the Agricultural Society of Philadelphia. By A. Fothergill M. D. F. R. S. S. &c. &c.},
  publisher={},
  address={Philadelphia},    }