`category`

One or more category IDs separated by a plus sign. If not defined, all possible types are returned.

Examples

http://www.jobs.cam.ac.uk/job/?category=6: All Studentships.
http://www.jobs.cam.ac.uk/job/?category=1+2: All Academic and Research jobs.

ID	Name
1	Academic
2	Research
3	Professorships/Directorships
4	Academic-related
5	Assistant staff
6	Studentships