4946 records out of a total of 19,048 MODS records have an entry in the mods:roleTerm field, for a total of 26.0% fields with one of the following values. The total of all records is 174,167, of which MODS records account for almost 11%.
| Architect | 7 |
| Architect Associated Architect Client | 17 |
| Architect Client | 89 |
| Architect Client Architect Architect Architect Photographer Architect | 1 |
| Architect Client Architect Architect Photographer Photographer Photographer Photographer | 1 |
| Architect Delineator | 1 |
| Architect Developer | 24 |
| Architect Developer Photographer | 6 |
| Artist | 138 |
| Author | 766 |
| Author Author | 19 |
| Author Author Author | 9 |
| Author Publisher | 4 |
| Cartographer | 6 |
| Client Architect | 1 |
| Collector | 392 |
| Collector Artist | 7 |
| Correspondent | 136 |
| Creator | 53 |
| Creator Correspondent | 1 |
| Creator Creator | 41 |
| Creator Creator Creator | 1 |
| Creator Creator Sponsor | 2 |
| Developer | 1 |
| Developer Architect | 2 |
| Interviewee Interviewer Interviewer Publisher | 1 |
| Interviewee Interviewer Publisher | 35 |
| Interviewee Interviewer Publisher Interviewer | 1 |
| Landscape Architect | 2 |
| Landscape Architect Client | 4 |
| Photographer | 607 |
| Photographer Publisher | 4 |
| Publisher | 2004 |
| Publisher Photographer | 176 |
| Responsible party Claimant | 8 |
| Sponsor | 4 |
| artist | 30 |
| artist engraver publisher | 4 |
| artist lithographer | 5 |
| artist lithographer printer | 1 |
| artist lithographer publisher | 2 |
| artist undetermined | 2 |
| author | 79 |
| author author | 2 |
| collector | 7 |
| correspondent correspondent | 3 |
| creator | 28 |
| editor | 37 |
| editor editor | 1 |
| engraver publisher | 1 |
| lithographer | 2 |
| photographer | 54 |
| publisher | 3 |
| sponsor | 2 |
| undetermined | 3 |