William Sproule

• "The railroads and the people"
• Address at the annual dinner of the Chamber of Commerce of San Francisco, Palace Hotel, Dec. 9, 1912
• Address at the annual dinner of the Chamber of commerce of San Francisco, Palace hotel, December 9, 1912
• Address of William Sproule, president Southern Pacific Company, at banquet of the National Wholesale Grocers' Association of the United States, May 20, 1915, San Francisco, Cal
• Michigan Tech Football - the First 100 Years
• Michigan Tech Hockey - 100 Years of Memories