File:Waitresses and crew of Schafer Brothers Logging Company 2-6-2 side-tank locomotive no. 10 (4669580789).jpg - Wikimedia Commons
Bahnbetriebswerk (steam locomotives) - Wikipedia
English: Logging crew, including two men in military uniform, a
Shay locomotive for logging hi-res stock photography and images
File:Two-truck Heisler locomotive No. 2 Francis 02.png - Wikipedia
Richard Leonard's Random Steam Photo Collection -- Southern
SOUTH CAROLINA LOGGING LOCOMOTIVES - South Carolina Forestry Commission
Category:Logging locomotives of the United States - Wikimedia Commons
File:Train of Logs, circa 1910 - Fernwood, Idaho (14517201611).jpg - Wikipedia
File:60hp Dtn2 (0-8-0) locomotive in German South West Africa No
Category:Logging locomotives of the United States - Wikimedia Commons
File:Java State Railways 2-6+6-0 steam locomotive Nr. 360
Category:Logging locomotives of the United States - Wikimedia Commons