|
| Hassell, Graham S. | Lagergren, Henry |
|
| Cilenti, Giuseppe Maria | Lagergren, Henry |
|
| MacGregor, Colin A. | Hassell, Graham S. |
|
| Hassell, Graham S. | Zimmermann, Falk |
|
| Nordin, Nils | Hassell, Graham S. |
|
| Hassell, Graham S. | Lindberg, William J. |
|
| Cilenti, Giuseppe Maria | Hassell, Graham S. |
|
| Lindberg, William J. | Zimmermann, Falk |
|
| Zimmermann, Falk | Cilenti, Giuseppe Maria |
|
|
|
|