UNWIN, Robert. The History of the Rock Garden at the Royal Botanic Garden Edinburgh. Sibbaldia: the International Journal of Botanic Garden Horticulture, [S. l.], n. 13, p. 111–130, 2015. DOI: 10.24823/Sibbaldia.2015.78. Disponível em: https://journals.rbge.org.uk/rbgesib/article/view/78. Acesso em: 29 apr. 2024.