Horse "Denver", refractory with trainer, image 7 

Horse "Denver", refractory with trainer, image 8 

Horse "Denver", refractory with trainer, image 17 

Horse "Denver", refractory with trainer, image 12 

Horse "Denver", refractory with trainer, image 20 

Horse "Denver", refractory with trainer, image 13 

Horse "Denver", refractory with trainer, image 11 

Horse "Denver", refractory with trainer, image 14 

Horse "Denver", refractory with trainer, image 5 

Horse "Denver", refractory with trainer, image 18 

Horse "Denver", refractory with trainer, image 10 

Horse "Denver", refractory with trainer, image 15 

Horse "Denver", refractory with trainer, video 1 

Snake, elephant seals, sea lions, San Diego Zoo, 1931-1941 - shotlog 

Male lion leaping over three others as a trainer watches, at Gay's Lion Farm, ca.1936 

Horse "Denver", refractory with trainer, image 16 

Horse "Denver", refractory with trainer, image 9 

Horse "Denver", refractory with trainer, image 1 

Horse "Denver", refractory with trainer, image 21 

Horse "Denver", refractory with trainer, image 3 

Trainers' Institute...Los Angeles City and State College, 1951 

Male lion balancing atop a wooden cylinder as a trainer watches at Gay's Lion Farm, ca.1936 

A Marineland performance featuring a girl and boy feeding whale with the help of a trainer 

A group of trained lions standing on elevated platforms as instructed by a trainer at Gay's Lion Farm, ca.1936 

State Taxation Of Interstate Corporate Income