Although not a trained scientist, Horák worked for many years as a research assistant at the Czechoslovak Academy of Sciences and used knowledge gained there in his dog breeding.
Český Krumlov | Yorkshire Terrier | Jack Russell Terrier | Český Těšín | Boston Terrier | Bull Terrier | Fox Terrier | Toy Terrier | Skye Terrier | Bedlington Terrier | American Staffordshire Terrier | American Pit Bull Terrier | Yorkshire terrier | Wire Fox Terrier | wire fox terrier | West Highland White Terrier | Scottish Terrier | Scottish terrier | Rat Terrier | Manchester Terrier | Jack Russell Terrier Club of America | Jack Russell terrier | fox terrier | Český Jiřetín | 2747 Český Krumlov |