To Mr. Wilberforce, on his pamphlet, entitled, "An appeal to the religion, justice and humanity of the inhabitants of the British empire, in behalf of the negro slaves in the West Indies."

Eitemau Tebyg

• Emancipation of the Negro slaves in the West India colonies considered : with reference to its impolicy and injustice : in answer to Mr. Wilberforce's appeal
  gan: Author of A statement of the claims of the West India colonies to a protecting duty against East India sugar
  Cyhoeddwyd: (1824)
• A counter appeal : in answer to "An appeal" from William Wilberforce, Esq. M.P., designed to prove that the emancipation of the Negroes in the West Indies, by a legislative enactment, without the consent of the planters, would be a flagrant breach of national honour, hostile to the principles of religion, justice, and humanity, and highly injurious to the planter and to the slave
  gan: Martin, Henry William, Sir
  Cyhoeddwyd: (1823)
• The West India colonies
  gan: Cobbett, William
  Cyhoeddwyd: (1823)
• A commentary on Mr. Clarkson's pamphlet : entitled Thoughts on the necessity of improving the condition of the slaves in the British colonies, with a view to their ultimate emancipation
  gan: Hampden, John
  Cyhoeddwyd: (1824)
• Major Moody on Negro labour, and the Edinburgh review
  Cyhoeddwyd: (1827)