The History of the Rise, Progress and Accomplishment of the Abolition of the African Slave-Trade, by the British Parliament (1839‪)‬

The History of the Abolition which this volume contains, affords some means of appreciating the extent of his sacrifices and his labours in this cause. But after these, with the unwearied exertions of William Wilberforce, had conducted its friends to their final triumph, in 1807, they did not then rest from their labours.