1. Headshaking in horses. Part 1;Cook;Equine Pratt.,1979a
2. Headshaking in horses. Part 2: History and management tests;Cook;Equine Pract.,1979b
3. Headshaking in horses. Part 3: Diagnostic tests;Cook;Equine Pract.,1980a
4. Headshaking in horses. Part 4: Special diagnostic procedures;Cook;Equine Pract.,1980b
5. Headshaking in horses: an afterword;Cook;Comp. com. Educ.,1992