From SSKE
A list of all pages that have property "Has max cardinality" with value "1"- Category has icon +
- Firstname +
- Has default form +
- Has type +
- Help Url +
- Installation dir +
- Lastname +
- Maxversion +
- Minversion +
- Page has default form +
- Phone +
- Rationale +
- SSKE Knowledge/isPartOfUniversity +
- User image +
