Distinct subjects for predicate ns4:aantalgebouwd sorted by frequency
| Resource | Count |
|---|---|
| Consolidated PBY Catalina | 2 |
| Junkers Ju 87 | 2 |
| B-17 Flying Fortress | 1 |
| Curtiss-Wright Model 21 | 1 |
| Resource | Count |
|---|---|
| Consolidated PBY Catalina | 2 |
| Junkers Ju 87 | 2 |
| B-17 Flying Fortress | 1 |
| Curtiss-Wright Model 21 | 1 |