There are 2 titles associated with this firm.

@book{ wphp_25033
  author={Williams,Helen Maria},
  year={1792},
  title={Letters from France: containing many new anecdotes relative to the French Revolution, and the present state of French manners. By Helen Maria Williams. Vol. II.},
  publisher={David West \& Thomas and Andrews \& Ebenezer Larkin, Jun.},
  address={Boston},    }
@book{ wphp_15507
  author={Burney,Frances},
  year={1793},
  title={Cecilia, or Memoirs of an heiress, By the author of Evelina. First American Edition, in Three Volumes.},
  publisher={Ebenezer Larkin, Jun. \& },
  address={Boston},    }