There are 18 titles associated with this firm.

@book{ wphp_12699
  author={Sheridan,Frances Chamberlaine and Goldsmith,Oliver and Garrick,David and Lee,Sophia and Macklin,Charles and Burgoyne,John and Fielding,Henry and Steele,Richard and Cowley,Hannah and Richardson,Joseph and Murphy,Arthur and Sheridan,Richard Brinsley and Cumberland,Richard and Colman,George (the elder) and Cibber,Colley and Vanbrugh,John},
  year={1810},
  title={English Comedy: A Collection of the Most Celebrated Dramas, Since the Commencement of the Reformation of the Stage by Sir Richard Steele and Colley Cibber.},
  publisher={John Sharpe [Piccadilly]},
  address={London},    }
@book{ wphp_948
  author={Smith,Charlotte Turner},
  year={1815},
  title={Conversations, Introducing Poetry Chiefly on Subjects of Natural History, For the Use of Young Persons},
  publisher={John Sharpe [Piccadilly]},
  address={London},    }
@book{ wphp_15908
  author={Trimmer,Sarah},
  year={1815},
  title={Fabulous histories. Designed for the instruction of children, respecting their treatment of animals. By Mrs Trimmer. The two volumes comprised in one. Tenth edition.},
  publisher={John Sharpe [Piccadilly] \& },
  address={London},    }
@book{ wphp_11585
  author={Peacock,Lucy},
  year={1815},
  title={Friendly Labours, or, Tales and dramas for the amusement and instruction of youth. By Lucy Peacock, Author of The Adventures of the Six Princesses of Babylon, Visit for a Week, &c. &c. In two volumes.},
  publisher={Robert Baldwin, Charles Cradock, and William Joy \& Philip Norbury \& John Harris [1802-1819, 1824-1843] \& William Darton, Joseph Harvey, and Samuel Darton \& John Sharpe [Piccadilly] \& },
  address={Brentford},    }
@book{ wphp_13281
  author={Kilner,Mary Ann},
  year={1815},
  title={The adventures of a pincushion: designed chiefly for the use of young ladies. In two volumes. Vol. II.},
  publisher={Robert Baldwin, Charles Cradock, and William Joy \& John Marshall I [Fleet St] \& John Sharpe [Piccadilly] \& },
  address={London},    }
@book{ wphp_10008
  author={Kilner,Mary Ann},
  year={1815},
  title={The happy family, or, Memoirs of Mr. and Mrs. Norton : intended to show the delightful effects of filial obedience.},
  publisher={Robert Baldwin, Charles Cradock, and William Joy \& John Marshall I [Fleet St] \& John Sharpe [Piccadilly]},
  address={London},    }
@book{ wphp_11764
  author={Costello,Louisa Stuart},
  year={1815},
  title={The Maid of the Cyprus Isle, and Other Poems. By Louisa S. Costello.},
  publisher={Sherwood, Neely, and Jones \& Edmund Lloyd [23 Harley Street] \& John Sharpe [Piccadilly] \& James Harper and Co. [London] \& Richard Rees \& John Walker VI \& },
  address={London},    }
@book{ wphp_797
  author={Costello,Louisa Stuart},
  year={1815},
  title={The Maid of the Cyprus Isle, and Other Poems. By Louisa S. Costello. Second Edition.},
  publisher={Sherwood, Neely, and Jones \& Edmund Lloyd [23 Harley Street] \& John Sharpe [Piccadilly] \& James Harper and Co. [London] \& Richard Rees \& John Walker VI \& },
  address={London},    }
@book{ wphp_10049
  author={Leonard,Eliza Lucy},
  year={1815},
  title={The Ruby Ring; or, The Transformations. By Eliza Lucy Leonard.},
  publisher={John Sharpe [Piccadilly]},
  address={London},    }
@book{ wphp_9954
  author={Kilner,Mary Ann},
  year={1816},
  title={Familiar dialogues for the instruction and amusement of children of four and five years old.},
  publisher={Robert Baldwin, Charles Cradock, and William Joy \& John Marshall I [Fleet St] \& John Sharpe [Piccadilly] \& },
  address={London},    }
@book{ wphp_13020
  author={Broome,Charlotte Ann},
  year={1816},
  title={Mamma's stories read by herself to her little girl.},
  publisher={Robert Baldwin, Charles Cradock, and William Joy \& Philip Norbury \& John Sharpe [Piccadilly] \& William Darton, Joseph Harvey, and Samuel Darton},
  address={London},    }
@book{ wphp_10174
  author={Kilner,Dorothy},
  year={1816},
  title={The holiday present: containing anecdotes of Mr. and Mrs. Jennet and their little family; viz.  Master George, Master Charles, Master Thomas, Miss Maria, Miss Charlotte, & Miss Harriet: interspersed with instructive and amusing stories and observations. By M.P.},
  publisher={Robert Baldwin, Charles Cradock, and William Joy \& John Marshall I [Fleet St] \& John Sharpe [Piccadilly]},
  address={London},    }
@book{ wphp_17049
  author={Cottin,Sophie},
  year={1817},
  title={Elizabeth; or, The exiles of Siberia. A tale, founded upon facts. From the French of Madame Cottin.},
  publisher={John Sharpe [Piccadilly] \& },
  address={London},    }
@book{ wphp_10131
  author={Smith,Charlotte Turner},
  year={1819},
  title={A natural history of birds: intended chiefly for young persons. By Mrs. Charlotte Smith; in two volumes.},
  publisher={John Arliss [Newgate Street] \& John Bumpus \& John Sharpe [Piccadilly]},
  address={London},    }
@book{ wphp_10439
  author={de Saint-Pierre,Jacques-Henri Bernardin},
  year={1819},
  title={Paul and Virginia. Translated from the French of Bernardin Saint-Pierre by Helen Maria Williams.},
  publisher={Robert Baldwin, Charles Cradock, and William Joy \& Longman, Hurst, Rees, Orme, and Brown \& John Sharpe [Piccadilly] \& George Cowie and Co.},
  address={London},    }
@book{ wphp_10171
  author={Kilner,Dorothy},
  year={1819},
  title={The life and perambulation of a mouse. By M.P.; in two volumes.},
  publisher={Robert Baldwin, Charles Cradock, and William Joy \& John Sharpe [Piccadilly]},
  address={London},    }
@book{ wphp_8318
  author={Cottin,Sophie Ristaud},
  year={1822},
  title={Elizabeth; or, the Exiles of Siberia. a Tale, Founded Upon Facts. From the French of Madame Cottin. The original translation revised and corrected.},
  publisher={John Sharpe [Piccadilly] \& },
  address={London},    }
@book{ wphp_13345
  author={Chapone,Hester Mulso},
  year={1822},
  title={Letters on the Improvement of the Mind. Addressed to a Lady. By Mrs. Chapone.},
  publisher={John Sharpe [Piccadilly] \& },
  address={London},    }