| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 1 |
 |
Glen Canyon Dam Crack Ceremony. Edward Abbey collection | 1981-03-21 | Sound | uum_avacr |
| 2 |
 |
New perspectives on the politics of Chinese environmental nongovernmental organizations: a case study of the Greener Beijing Institute | 2010 | Text | ir_etd |