Taonnage of the fishing vessels registered with the P.F.C., 1971
| Fformat: | Map | 
|---|---|
| Iaith: | English | 
| Cyhoeddwyd: | [Manila]
          [s.n.]
    
        1972. | 
| Rhifyn: | rev. 1973. | 
| Cyfres: | Physical planning strategy for the Philippines | 
| Pynciau: |