When looking for a name with less than 4 characters, add a comma at the end. Only entries with exactly this name are presented family name, The program looks for persons with exact this family name.
Names have to be entered in the form family name, first name .
Capital or small letters are not checked. It is not necessary to enter the full name. Often it is enough to enter the family name or part of it. A truncation to the right is switched on by default. Known variations of names are included in the index.