Career
Ferguson was an expert in the stamps of British Guiana about which he wrote in the The British Guiana Philatelic Journal. He was a non-resident Fellow of the Royal Colonial Institute, now the Royal Commonwealth Society, elected 1909.
Ferguson was an expert in the stamps of British Guiana about which he wrote in the The British Guiana Philatelic Journal. He was a non-resident Fellow of the Royal Colonial Institute, now the Royal Commonwealth Society, elected 1909.