| Dudh Kosi--Relentless River of Everest |
1977 |
Guild Sound & Vision Ltd |
27 |
16mm |
Color |
|
| Everest Unmasked--The First Ascent Without Oxygen |
1979 |
Guild Sound & Vision Ltd |
28 |
16mm |
Color |
|
| Sailing Above the Alps |
1981 |
Guild Sound & Vision Ltd |
28 |
16mm |
Color |
|