REAL BIBLIOTECA, Patrimonio Nacional. Meeting of the full membership of the Consortium of European Research Libraries (CERL). AVISOS. Noticias de la Real Biblioteca, [S. l.], v. 4, n. 15, p. 5–6, 1998. Disponível em: https://revistas.patrimonionacional.es/index.php/Avisos/article/view/72. Acesso em: 9 jul. 2026.