- E-bookFive Natural Hybrid Combinations in Minnows (Cyprinidae)W. L. Minckley
- E-bookFive Natural Hybrid Combinations in Minnows (Cyprinidae)W. L. Minckley
- E-bookFive Natural Hybrid Combinations in Minnows (Cyprinidae)W. L. Minckley
- E-bookGeographic Variation in the North American Cyprinid Fish, Hybopsis gracilisLeonard J. Olund