Note that the index numbers are only technical numbers which have no persistence. After a new system generation is done, all of them are invalid. To generate a persistent link, use the name.Use the URL:
http://ww-person.com/cgi-bin/l3/LANG=fran/F=José@Fernando/N=Pérez@del@Pulgar@Osorio@Sandoval@y@Córdova@*@del@Salar
José Fernando Pérez del Pulgar Osorio Sandoval y Córdova * del Salar
alternatively: /cgi-bin/llmult/LANG=germ/P=20028312
José Fernando Pérez del Pulgar Osorio Sandoval y Córdova * del Salar