Great Northern Blueprint Number 117.2900 Sheet 4, Mill Trestle, General Plan for Renewal, 1915. Other subject categories: Drawing

Great Northern Blueprint Number 8024 Sheet 14, Great Northern Mail and Express Materials for Stair Landings, 1915. Other subject categories: Drawing

Great Northern Blueprint Number 8024 SSheet 7, Great Northern Mail and Express Alteration, 1917. Other subject categories: Drawing

Great Northern Blueprint Number 8133-2, Repairs to Stack, Powerhouse for Great Northern Depot, 1917. Other subject categories: Drawing

Great Northern Blueprint Number 8024 Sheet 8, Great Northern Mail and Express, Refrigerator Details, 1917. Other subject categories: Drawing

Great Northern Blueprint Number 8024 Sheet 9, Great Northern Mail and Express Alteration, 1917. Other subject categories: Drawing

Great Northern Blueprint Number 8024 Sheet 16, Great Northern Mail and Express Building Women's Toilet, 1918. Other subject categories: Drawing

Great Northern Blueprint Number 8024 Sheet 10, Great Northern Mail and Express Extension Wheel Guards, 1924. Other subject categories: Drawing

Great Northern Blueprint Number 8024 Sheet 6, Great Northern Mail and Express Extension Building Details, 1924. Other subject categories: Drawing

Great Northern Blueprint Number 8024 Sheet 2, Great Northern Mail and Express Extension, Elevations and Sections, 1924. Other subject categories: Drawing