1. The earliest horse harnessing and milking;Outram;Science,2009
2. Horse cognition and behavior from the perspective of primatology;Matsuzawa;Primates,2017
3. Pereira, C. (2022, July 04). Le poney Garrano, une race autochtone valorisée dans les courses de pays et les pratiques equestres (Attelage, equitation de tradition, dressage…) Ethnozootechnie Société d’ethnozootechnie (Publisher), 2017, 82, 123–128. Available online: https://equitationportugaise.com/wp-content/uploads/Poney-Garrano.pdf.
4. Pereira, C. (2020). Percurso do Garrano, Leituras Interdisciplinares do Projecto, Viana do Castelo, Éditions de la Municipalité de Viana do Castelo.
5. Comparison of the social systems of primates and feral horses: Data from a newly established horse research site on Serra D’Arga, northern Portugal;Ringhofer;Primates,2017