21
by Clarkson, Thomas
Published 1808
Printed for Longman, Hurst, Rees, and Orme

22
by Clarkson, Thomas
Published 1804
Published by N. Wiley

23
by Clarkson, Thomas
Published 1786
London printed, Philadelphia re-printed by Joseph Crukshank

24
by Clarkson, Thomas
Published 1789
Printed by J. Phillips

26
by Clarkson, Thomas
Published 1823
Printed for the Society for the Mitigation and Gradual Abolition of Slavery Throughout the British Dominions

27
by Clarkson, Thomas
Published 1830
P.A. Brinsmade

28
by Clarkson, Thomas
Published 1838
Longman, Orme, Brown, Green, & Longmans

30
by Clarkson, Thomas
Published 1824
Printed for the Whitby Anti-Slavery Society, by R. Kirby