There are 3 titles associated with this person.

@book{ wphp_25336
  author={Shower,John},
  year={1750},
  title={An appendix to the Reverend Mr. John Shower's Practical reflections on the earthquakes that have happened in Europe and America, &c. Being a continuation of his account, and Practical Reflections, after his Manner, from the year 1693, down to these last shocks that were felt at London and Westminster, on February 8th and March 8th, 1749-50, with an Application, adapted to the present times, &c.},
  publisher={},
  address={London},    }
@book{ wphp_25588
  author={Shower,John},
  year={1750},
  title={Practical reflections on the earthquakes that have happened in Europe and America, but chiefly in the islands of Jamaica, England, Sicily, Malta, &c. With a particular and historical account of them, and divers other earthquakes. By John Shower, D.D.},
  publisher={},
  address={London},    }
@book{ wphp_25140
  author={Shower,John},
  year={1750},
  title={Practical reflections on the earthquakes that have happened in Europe and America, but chiefly in the islands of Jamaica, England, Sicily, Malta, &c. With a particular and historical account of them, and divers other earthquakes. By John Shower. The Second Edition.},
  publisher={},
  address={London},    }