Where can one find pictures of old tractors?

- Wikimedia Commons

- Flickr Commons

- Pinterest

- Google Images

- TractorData.com

- Farm Collector Magazine

- TractorHouse.com

- Yesterday's Tractors

* Online tractor forums and clubs:

- RedPower Magazine

- Green Magazine

- Yesterday's Tractors

- The Old Tractor Club of America

- Antique Tractor Club of America

- National Farm Tractor Association

* Tractor museums and historical societies:

- National Agricultural Center and Hall of Fame

- Antique Gas & Steam Engine Museum

- Midwest Old Threshers Reunion

- The Henry Ford

- The John Deere Tractor & Engine Museum

- The Farmall Discovery Center

* Local tractor shows and events:

- County fairs

- Tractor pulls

- Threshing bees

- Steam shows

- Historical reenactments