| Author | Popularity |
| Hahn, Robert William |
2 |
| AEI-Brookings Joint Center for Regulatory Studies |
1 |
| American Society for Testing and Materials |
1 |
| American Society for Testing and Materials. Committee E-24 on Fracture Testing of Metals |
1 |
| Denton, Robert E. |
1 |
| Hahn, Dan F. |
1 |
| Hahn, G. T. (George T.) |
1 |
| Hahn, Robert S. |
1 |
| Hahn, Walter F. |
1 |
| King, Robert I. |
1 |
| Pfaltzgraff, Robert L. (Robert Louis) |
1 |
| Symposium on Properties Related to Fracture Toughness Montréal, Canada |
1 |
| Warke, W. R. (William Robert) |
1 |
| Weiss, Volker, 1930- |
1 |