Railroad Archives Online
- FondoE0477 - BNSF Maps, Drawings and Records Collection
- Serie003 - Great Northern Railway Company (U.S.)
- Sottoserie009 - Engineering Records
- 007 - Track
- 55 in più...
- Unità documentariaEBP1577 - Great Northern Track Technical Drawing, 1897
- Unità documentariaEBP1578 - Great Northern Track Technical Drawing, 1896
- Unità documentariaEBP1579 - Great Northern Track Technical Drawing, 1890
- Unità documentariaEBP1580 - Great Northern Track Technical Drawing, 1896
- Unità documentariaEBP1581 - Great Northern Track Technical Drawing , 1893
- Unità documentariaEBP1582 - Great Northern Track Technical Drawing, 1897
- Unità documentariaEBP1583 - Great Northern Track Technical Drawing, 1893
- Unità documentariaEBP1584 - Great Northern Track Technical Drawing, undated
- Unità documentariaEBP1585 - Great Northern Track Technical Drawing, 1906
- 190 in più...