DE HOOP SCHEFFER, D. Alexander I van Rusland te Amsterdam . The Rijksmuseum Bulletin, [S. l.], v. 13, n. 1, p. 14–19, 1965. DOI: 10.52476/trb.21221. Disponível em: https://bulletin.rijksmuseum.nl/article/view/21221.. Acesso em: 5 feb. 2025.