1
by Helvétius
Published 1773
chez la Société Typographique

2
by Helvétius
Published 1777
printed for B. Law, Ave-Maria-Lane; and G. Robinson, Pater-Noster-Row

3
by Helvétius
Published 1774

4
by Helvétius
Published 1772

5
by Helvétius
Published 1799
printed for J. Murdoch, Glasgow, by T. Maccliesh and Co

6
by Helvétius
Published 1774

7
by Helvétius
Published 1774

8
by Helvétius
Published 1773

9
by Helvétius
Published 1767
printed for F. Newbery, in Pater-Noster-Row

10
by Helvétius
Published 1796
printed for A. Leslie, Nicolson-Street

11
by Helvétius
Published 1777

12
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

13
by Helvétius
Published 1773
chez la Société Typographique

14
by Helvétius
Published 1791

15
by Helvétius
Published 1775

16
by Helvétius
Published 1774
printed for T. Becket, Corner of the Adelphi, in the Strand

17
by Helvétius
Published 1778

20
by Helvétius
Published 1786