There are 6 titles associated with this firm.

@book{ wphp_16557
  author={Bennett,Mary E.},
  year={1820},
  title={The cottage girl; or An account of Ann Edwards, a Sunday school scholar. By the author of The retrospect, Village observer, &c. &c},
  publisher={William Hyde \& },
  address={Portland},    }
@book{ wphp_19658
  author={Sherwood,Mary Martha},
  year={1820},
  title={The history of little George and his penny. By Mrs. Sherwood, author of "Little Henry and his bearer"},
  publisher={William Hyde \& },
  address={Portland},    }
@book{ wphp_16767
  author={Cameron,Lucy Lyttelton and H.,J.},
  year={1820},
  title={The nosegay of honeysuckles. By the author of "The two lambs," &c},
  publisher={William Hyde},
  address={Portland},    }
@book{ wphp_19779
  author={Sherwood,Mary Martha},
  year={1820},
  title={The wishing-cap. By Mrs. Sherwood, author of "Little Henry and his bearer"},
  publisher={William Hyde},
  address={Portland},    }
@book{ wphp_19616
  author={Sherwood,Mary Martha},
  year={1822},
  title={The busy bee. By Mrs. Sherwood, author of "Little Henry and his bearer," "Lucy Clare," &c.},
  publisher={William Hyde \& },
  address={Portland},    }
@book{ wphp_16705
  author={Burford,Miss},
  year={1836},
  title={The orphan queen, or Conversations on the history of Queen Esther. By a female teacher},
  publisher={William Hyde \& Maine Sabbath School Depository},
  address={Portland},    }