Railroad Archives Online
- CollectionD0177A - Chuck Strawn Collection
- Series009 - Logging Railroads
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3006 - Cabooses (Railroads)
- ItemStrawn0542 - Simpson Timber Company (STC) Caboose at Shelton, Washington, undated
- ItemStrawn0543 - Simpson Timber Company (STC) Caboose at Shelton, Washington, undated
- ItemStrawn0712 - McCloud River Railroad (MR) Caboose 931 at McCloud, California, undated
- ItemStrawn0713 - McCloud River Railroad (MR) Caboose 931 at McCloud, California, undated
- ItemStrawn0716 - McCloud River Railroad (MR) Caboose 101 at McCloud, California, undated
- ItemStrawn0725 - McCloud River Railroad (MR) Caboose 029 at McCloud, California, July 1955