Letter from Edward S. Winslow to Lois S. Harrington, written from Cobalt. Includes sketch of layout of buildings, including mining machine building, warehouses, and offices.
Letter from Edward S. Winslow to Lois S. Harrington, written from Cobalt, Ontario, on letterhead of Drummond Mines, Limited. Written on Easter morning.
Letter from Edward to Lois Winslow, written from British Columbia, detailing his west coast trip. Letter written en route, "Nelson-Kootenay Landing-Cranbrooke-Kimberley."
Letter from Edward S. Winslow to Lois S. Harrington, written from St. Catharines, Ontario. On the letterhead of The Welland, accompanied by envelope featuring colour map of the Niagara peninsula.