On the existence of gigantic, taprooted, phanerogamic plants in the sown carboniferous system of the southern side of the Basin of Minas
Letter to William Henry Harvey
Letter to Henri Milne Edwards (1800-1885)
Letter from the Geological Society
Carte d'inscription = Registration card
Letters received from natural history societies
Letter to William Henry Harvey
Letter from James Ross
Resolution of the Senate of Dalhousie College
French passport