Railroad Archives Online
- ArquivoE0477 - BNSF Maps, Drawings and Records Collection
- Série003 - Great Northern Railway Company (U.S.)
- Subsérie009 - Engineering Records
- 007 - Part fabrication drawing
- ItemEBP0053 - Midland of Manitoba Railway Track Technical Drawing, 1905
- ItemEBP0058 - Midland of Manitoba Railway Track Technical Drawing, 1905
- ItemEBP0088 - Great Northern Freight Car Technical Drawing, 1931
- ItemEBP0089 - Great Northern Freight Car Technical Drawing, 1931
- ItemEBP0090 - Great Northern Freight Car Technical Drawing, 1931
- ItemEBP0091 - Great Northern Freight Car Technical Drawing, 1931
- ItemEBP0118 - Great Northern Passenger Car Technical Drawing, 1947
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