1
by Darwin, Erasmus
Published 1791
printed for J. Johnson, St. Paul's Church-Yard. MDCCXCI. Entered at Stationers Hall

2
by Darwin, Erasmus
Published 1790
printed by J. Nichols, for J. Johnson, St. Paul's Church Yard. M,DCC,XC. (entered at Stationers Hall.)

3
by Darwin, Erasmus
Published 1791
printed for J. Johnson, St. Paul's Church-Yard. MDCCXCI. Entered at Stationers Hall.)

4
by Darwin, Erasmus
Published 1791
printed for J. Johnson, St. Paul's Church-Yard. MDCCXCI. Entered at Stationers Hall

5
by Darwin, Erasmus
Published 1793
printed by J. Moore, No. 45, College-Green

6
by Darwin, Erasmus
Published 1795
printed for J. Johnson, St. Paul's Church-Yard. MDCCXCV. Entered at Stationers' Hall

7
by Darwin, Erasmus
Published 1799
printed for J. Johnson, St. Paul's Church-Yard

8
by Darwin, Erasmus
Published 1798
Printed by T. & J. Swords, printers to the faculty of physic of Columbia College, no. 99 Pearl-Street

9
by Darwin, Erasmus
Published 1790
printed by J. Moore, No. 45, College-Green