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=germ/F=Juana@Estefania/N=de@Mendoza@y@Cortés@*@de@la@Valle@de@Oaxaca
Juana Estefania de Mendoza y Cortés * de la Valle de Oaxaca
alternatively: /cgi-bin/llmult/LANG=germ/P=20024490