16,221. Letters empowering Sir R. K. Porter, Chargé d'Affaires in Venezuela, to treat for the abolition of slavery; 1836,1837. Signed by William IV. and Queen Victoria; with great seals of William IV. Sir Robert Ker Porter, painter and traveller: Letters empowering him to treat for the abolitio...
Sir Robert Ker Porter, painter and traveller: Letters empowering him to treat for the abolition of slavery: 1836-1837. Victoria of England: Powers to Sir R. K. Porter to treat for the abolition of slavery in Venezuela: 1837.