http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Jumping. Driving. Shoeing. Bits. Foods. Breaking. Harnessing. Dentistry
Possibly published 1912; testimonials date from 1911 and 1912.
Pages 131-160 contain advertisements for horse equipment.