1
by Hartley, J.
Published 1984
Springer Berlin Heidelberg

2
by Hartley, J
Published 1789
Printed by J. Jacob

3
by Hartley, J.
Published 1784
printed for the editors, and sold by J. Debrett, opposite Burlington-House, Piccadilly, and all other booksellers

5
by Hartley, J.
Published 1785
printed for the editors, and sold by J. Debrett, opposite Burlington-House, Piccadilly; T. Beckett, Pall-Mall; R. Faulder, New Bond-Street; Mr. Thornton, Southampton-Street, Covent-Garden, and all other Booksellers

6
by Hartley, J.
Published 1784
printed for the editors, and sold by J. Debrett, opposite Burlington-House, Piccadilly, and all other booksellers