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=Johanna@Lambertina/N=v.Efferen@zu@Zieverich
Johanna Lambertina v.Efferen zu Zieverich
alternatively: /cgi-bin/llmult/LANG=germ/P=60000411