1. LANDAUER, W, JOURNAL OF GENETICS 54: 219 (1956).
2. MOREAU, R.E., BRITISH BIRDS 44: 257 (1951).
3. COMMUNICATION
4. Check-List of Birds of the World 1934
5. Proceedings of the 22nd North American Wildlife Conference 1957 A Progress Report of Coturnix Quail Investigations in Missouri