| FAO | Key Name |
|---|---|
| America, North - Inland waters | Key to the pikes (Esocidae) of Canada. |
| Europe - Inland waters | Keys to the larval and juvenile stages of coarse fishes from fresh waters in the British Isles (Key to Stage 1: free embryos). |
| Europe - Inland waters | Keys to the larval and juvenile stages of coarse fishes from fresh waters in the British Isles (Key to Stage 2: young larvae). |
| Europe - Inland waters | Keys to the larval and juvenile stages of coarse fishes from fresh waters in the British Isles (Key to Stage 3: intermediate larvae). |
| Europe - Inland waters | Keys to the larval and juvenile stages of coarse fishes from fresh waters in the British Isles (Key to Stage 4: older larvae). |
| Europe - Inland waters | Keys to the larval and juvenile stages of coarse fishes from fresh waters in the British Isles (Key to Stage 5: young juveniles). |
| America, North - Inland waters | Provisional Key to Great Lakes Esocid Larvae (Pikes). |