There are 3 titles associated with this firm.

@book{ wphp_24945
  author={Arwaker, Jun.,Edmund},
  year={1704},
  title={An Embassy from Heav'n: or, the Ghost of Queen Mary. A poem. By Mr. Edmund Arwaker, Jun.},
  publisher={Sarah Malthus},
  address={London},    }
@book{ wphp_24943
  author={,Aesop},
  year={1705},
  title={A New Translation of Æsop. In a Hundred Select Fables, Burlesqu'd. With a suitable new Moral Adapted to each Fable. Never before Printed.},
  publisher={Sarah Malthus \& William Lucas},
  address={London},    }
@book{ wphp_22484
  author={},
  year={Saturday, June the 9th, 1705},
  title={The wandering spy: or, The way of the world inquired into; with reflections on the humours of the town.},
  publisher={},
      }