By Gaztambide Arrillaga, Carlos Ramón,.
San Juan, P.R. Imprenta Hermanos Ramallo 1984 .
x, 197 p. 23 cm..

By Ulmer, Donald E..
México Editorial Continental 1974 .
269 p.

By Gordon-Watson, Mary..
Madrid: Hermann Blume; 1984 .
288 p. , Translation of : The handbook of riding. | Includes index. 25 cm..

By Edwards, Elwyn Hartley..
New York DK 2009 .
464 p. , Includes index. 30 cm..
9780756660031