Titles by John and Edward Wallis in BIBTEX format

@book{ wphp_9699
  author={Ritson,Anne},
  year={1813},
  title={Exercises for the Memory: An Entire New Set of Improving Enigmas, being the Forty English and Twelve Welch Counties, in Verse; including upwards of three hundred different events and Anecdotes, selected from the Grecian, Roman, and English Histories, Mythology, Poetical and Dramatic Authors, also the most public buildings and places in and about London and Westminster. By Anne Ritson.},
  publisher={John and Edward Wallis \& },
  address={London},    }

@book{ wphp_9643
  author={Ritson,Anne},
  year={1814},
  title={Exercises for the Memory: An Entire New Set of Improving Enigmas, being the Forty English and Twelve Welch Counties, in Verse . . . .},
  publisher={John and Edward Wallis \& },
  address={London},    }

@book{ wphp_10804
  author={Pilkington,Mary},
  year={1815},
  title={A reward for attentive studies; or, Moral and entertaining stories. By Mrs. Pilkington.},
  publisher={John and Edward Wallis \& John Wallis Jun. \& },
  address={London},    }