Railroad Archives Online
- CollectionE0322 - Tryone Johnsen Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1017 - Other Materials(Draft)
- ItemRefrigerator Car Fleets - Western Fruit Express, Fruit Growers Express, Burlington Refrigerator Express
- ItemWFE-FGE-BRE page 01 - WFE-FGE-BRE page 01
- ItemWFE-FGE-BRE page 02 - WFE-FGE-BRE page 02
- ItemWFE-FGE-BRE page 03 - WFE-FGE-BRE page 03