There are 7 titles associated with this firm.

@book{ wphp_18324
  author={Unknown,[Woman]},
  year={1818},
  title={Juliet; or, The reward of filial affection. A tale for youth. By a lady.},
  publisher={E. and R. Parker \& },
  address={Philadelphia},    }
@book{ wphp_16838
  author={Cecil,Sabina},
  year={1818},
  title={Little Mary; or, The picture-book. By Sabina Cecil, author of Little John, Little Jane, Little Charlotte, &c.},
  publisher={E. and R. Parker \& },
  address={Philadelphia},    }
@book{ wphp_15595
  author={Semple,Elizabeth},
  year={1818},
  title={Walter and Herbert; or, Precipitation and Slowness equally subversive of good intention. By the author of Arthur and Alice.},
  publisher={E. and R. Parker},
      }
@book{ wphp_19585
  author={Semple,Elizabeth},
  year={1818},
  title={Walter and Herbert; or, Precipitation and slowness equally subversive of good intention. By the author of Arthur and Alice. Illustrated with handsome plates.},
  publisher={E. and R. Parker},
  address={Philadelphia},    }
@book{ wphp_16836
  author={Cecil,Sabina},
  year={1819},
  title={Little Charlotte; or, The picture-book. By Sabina Cecil, author of Little Eliza, Little Caroline, Little Charles, &c.},
  publisher={E. and R. Parker \& },
  address={Philadelphia},    }
@book{ wphp_16837
  author={Cecil,Sabina},
  year={1819},
  title={Little Jane; or, The picture-book. By Sabina Cecil, author of Little Eliza, Little Caroline, Little Charles, &c.},
  publisher={E. and R. Parker \& },
  address={Philadelphia},    }
@book{ wphp_16839
  author={Cecil,Sabina},
  year={1819},
  title={Little Sophia; or, The picture-book. By Sabina Cecil, author of Little Mary, Little Joseph, Little Charles, &c.},
  publisher={E. and R. Parker \& },
  address={Philadelphia},    }