Edward Nicolls to Sir George Grey at the Colonial Office, asking him to submit an appeal from the liberated Africans at Fernando Po (Bioko) to Lord Glenelg, the extract of a letter from a person for whom he could vouch but whom he did not wish to name, confirming the contents of the appeal, and the eyewitness accounts to be obtained from Lieutenant Dixon and his mate Fussy, 12 Nov 1838