There are 6 titles associated with this firm.

@book{ wphp_17552
  author={du Crest de Saint-Aubin,Stéphanie Félicité},
  year={1810},
  title={Belisarius; a Historical Romance, In Two Volumes. From the French. By Madame de Genlis.},
  publisher={D. Mallory & Co. \& Philip H. Nicklin and Co. \& Lyman, Hall, & Co. \& Swift & Chipman},
  address={Boston},    }
@book{ wphp_17553
  author={du Crest de Saint-Aubin,Stéphanie Félicité},
  year={1810},
  title={Belisarius; a historical romance, in two volumes. From the French. By Madame de Genlis.},
  publisher={Philip H. Nicklin and Co. \& },
  address={Baltimore},    }
@book{ wphp_15255
  author={Klopstock,Margaret and Klopstock,Friedrich Gottlieb},
  year={1810},
  title={Memoirs of Frederick and Margaret Klopstock. Translated from the German.},
  publisher={Philip H. Nicklin and Co. \& Farrand, Mallory and Co. \& Jacob Green \& Edward Earle \& B.B. Hopkins & Co.},
  address={Philadelphia},    }
@book{ wphp_17075
  author={Cowper,William and Guyon,Jeanne Marie Bouvier de La Motte},
  year={1810},
  title={Poems, by William Cowper, Esq. of the Inner Temple. In three volumes. Comprising a variety of pieces, not inserted in any former editions. To which is prefixed, a brief account of his life.},
  publisher={Philip H. Nicklin and Co. \& },
  address={Baltimore},    }
@book{ wphp_16359
  author={Anthony,Susanna},
  year={1810},
  title={The Life and Character of Miss Susanna Anthony, Who died, in Newport, (R.I.) June 23, 1791, in the 65th year of her age. Consisting Chiefly in Extracts from her Writings, with Some Brief Observations on Them. Compiled by Samuel Hopkins, D.D. Second Edition.},
  publisher={Lyman, Hall, & Co. \& D. Mallory & Co. \& Swift & Chipman \& Beers & Howe \& Williams & Whiting \& D.W. Farrand & Green \& B.B. Hopkins & Co. \& I.B. Zantzinger & Co. \& Philip H. Nicklin and Co. \& John Wilson Campbell \& Patterson & Hopkins \& },
  address={Portland},    }
@book{ wphp_17693
  author={Guyon,Jeanne Marie Bouvier de La Motte},
  year={1812},
  title={A short and easy method of prayer: by the truly pious Lady Guion. To which is prefixed, the life of the author.},
  publisher={Brook Watson Sower \& },
  address={Baltimore},    }