GWYN, Julian. Shipping to the Caribbean in the 1820s – 1840s: William Roche, Halifax Merchant. The Northern Mariner / Le marin du nord, [S. l.], v. 23, n. 2, p. 99–122, 2013. DOI: 10.25071/2561-5467.281. Disponível em: https://tnm.journals.yorku.ca/index.php/default/article/view/281. Acesso em: 12 mar. 2025.