1
by Helvétius
Published 1777
printed for B. Law, Ave-Maria-Lane; and G. Robinson, Pater-Noster-Row

2
by Helvétius
Published 1774
printed for T. Becket, Corner of the Adelphi, in the Strand

3
by Helvétius
Published 1759
printed for the translator; and sold by Mr. Dodsley and Co. in Pall-Mall; Mess. Millar, Nourse, and Tonson, in the Strand; Mess. Hitch and Hawes, in Pater-Noster Row; Mr. Fletcher, at Oxford; Mr. Merril, Cambridge; and J. Coote, in Pater-Noster-Row

4
by Helvétius
Published 1799
printed for J. Murdoch, Glasgow, by T. Maccliesh and Co

5
by Helvétius
Published 1767
printed for F. Newbery, in Pater-Noster-Row

6
by Helvétius
Published 1796
printed for A. Leslie, Nicolson-Street

7
by Helvétius
Published 1759
[Printed for the translator, and sold by Mr. Dodsley and Co. [and 8 others]