Webstore: Early Imperial Romans: Pack Mule - Warlord Games
Amazon.com: China Peking 1901 Na Typical Springless Seatless Mule-Drawn Chinese Coach And The Driver Standing Next To It With Coal Mountain And Imperial City In The Background Peking China Stereograph C1901 Poste:
Brooke USA - Mules The Unsung Heroes - World War I Centennial