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=Alfonso/N=Tacoli@dei@Marchesi@di@San@Possidonio
Alfonso Tacoli dei Marchesi di San Possidonio
alternatively: /cgi-bin/llmult/LANG=germ/P=53009155