General Papers
| Initiation of Cleavage Microcracks in Polycrystalline Iron and Steel | |
| G. T. Hahn, B. L. Averbach, W. S. Owen, Morris Cohen |
| The Griffith Criterion for Glass Fracture | |
| O. L. Anderson |
| The Mechanism of the Brittle Fracture of Metals | |
| N. P. Allen |