| Agenda |
7 |
| Proceedings & Article |
6 |
| Report & Letters |
5 |
| Articles |
3 |
| Magazine Articles & Letter |
3 |
| Newspaper Articles & Proceedings |
3 |
| Letters & Magazine Articles |
2 |
| Proceedings & Newspaper Articles |
2 |
| Proceedings and Report |
2 |
| Report & Articles |
2 |
| Agenda & Letters |
1 |
| Articles & Letters |
1 |
| Articles & Newspaper Articles |
1 |