There are 2 titles associated with this firm.

@book{ wphp_20059
  author={Taylor (later Gilbert),Ann and Taylor,Jane},
  year={1814},
  title={Hymns for infant minds. By the author of Original poems, Rhymes for the nursery, &c.},
  publisher={W.B. Allen & Co. \& },
  address={Newburyport},    }
@book{ wphp_20064
  author={Taylor (later Gilbert),Ann and Taylor,Jane},
  year={1816},
  title={Hymns for infant minds. By the author of Original poems, Rhymes for the nursery, &c.},
  publisher={W.B. Allen & Co.},
  address={Newburyport},    }