’The Authentic Garden’, account of the symposium on the occasion of the 400th anniversary of the Hortus Botanicus at Leiden. Bulletin KNOB, [S. l.], v. 89, n. 3, p. 2–10, 1990. DOI: 10.7480/knob.89.1990.3.519. Disponível em: https://bulletin.knob.nl/index.php/knob/article/view/Sieger2. Acesso em: 21 apr. 2026.