| Database | Theasaurus used | Short instructions |
| CINAHL | CINAHL headings | Short instructions |
| Medline | MeSH | Short instructions |
| Proquest Central | Proquest | Short instructions |
| PsycInfo | PSycINFO | Short instructions |
| EMBASE (on Knowledge Network: NHS e-library) | EMtree | Not available at GCU |
| MIDIRS | MIDIRS subject headings | Short instructions |
| Planex (good for Social Work) | Idox | Short instructions |
| Web of Knowledge | KeyWords Plus | Short instructions |