"Great Britain" . . . . "Official responsibility affirmed and enforced in a letter to Sir George Grey, Bart., M.P., under secretary of state for the colonies, on the administration of the act for the abolition of British colonial slavery" . "Official responsibility affirmed and enforced : in a letter to Sir George Grey ... on the administration of the act for the abolition of British colonial slavery" . "Official responsibility affirmed and enforced in a letter to Sir George Grey, Bart., M.P., under secretary of state for the colonies, on the administration of the act for the abolition of British colonial slavery"@en . . . . "Official responsibility affirmed and enforced, in a letter to Sir George Grey ... on the administration of the act for the abolition of British colonial slavery" . . . . . . . . . . "Official responsibility affirmed and enforced in a letter to Sir George Grey, Bart., M.P. on the administration of the act for the abolition of British colonial slavery"@en . . "Electronic books"@en . . . "Official responsibility affirmed and enforced, in a letter to Sir George Grey, Bart., M.P. ... on the administration of the Act for the abolition of British colonial slavery"@en . "Official responsibility affirmed and enforced in a letter to Sir George Grey, Bart., M.P., on the administration of the act for the abolition of British colonial slavery" . . "Official responsibility affirmed and enforced : in a letter to Sir George Grey, Bart., M.P., Under Secretary of State for the Colonies, on the administration of the Act for the abolition of British colonial slavery"@en . . . . . . . . . . . "Official responsibility affirmed and enforced, in a letter to Sir George Grey" . . .