Great Northern Blueprint Number 29150, Murphy Pivoted Outside Flexible Metal Roof on Exprees Refrigerator Car Number 1900 to Number 1979, 1939. Other subject categories: Drawing

Great Northern Blueprint Number 25917, Murphy Improved Pivoted Metal Roof on Boxcar Number 23494 to Number 25993 and Stock Cars Number 55500 to Number 56049, 1939. Other subject categories: Drawing

Great Northern Blueprint Number 25918, Murphy Improved Pivoted Outside Metal Roof on Boxcar Number 30000 to Number 30599, 1939. Other subject categories: Drawing

Great Northern Blueprint Number 5802, Clasp Brake Beam, 1938. Other subject categories: Drawing

Great Northern Blueprint Number 28819, Murphy Improved Pivoted Flexible Outside Metal Car Roof for Automobile Number 39000 to Number 40099 and Number 48000 to Number 48039, 1938. Other subject categories: Drawing

Great Northern Blueprint Number 25916, Murphy Improved Pivoted Outside Metal Roof Boxcar Number 37999 to Number 38499 and Automobile carsNumber 37750 to Number 37999, 1937. Other subject categories: Drawing

Great Northern Blueprint Number 27990, Murphy Improved Solid Steel Car Roof for Boxcars, 1937. Other subject categories: Drawing

Great Northern Blueprint Number 27992, Steel End Arrangement used on Boxcars Number 50000 to Number 50999, 1937. Other subject categories: Drawing

Great Northern Blueprint Number 27973, Application and Details of A-B Brake on Automobile Cars Number 38000 to Number 38699, Tie Car Number 61016 to Number 61025 and Stock Cars Number 55600 to Number 55649, 1937. Other subject categories: Drawing

Great Northern Blueprint Number 28125, Brake Lever Badge Plate on Boxcar Number 23494 to Number 25993, Automobile Cars Number 38000 to Number 38699, Flat Number 64000 to Number 64049 and Logging Flats Number 69300 to Number 69424, 1937. Other subject categories: Drawing