Large crowd gathered on street in front of storefronts; sign on building: "World's Salesmanship Congress." Printed on photograph: "The second annual session of the World's Salesmanship Congress, Detroit, June 10-14, 1917; photo by Spencer & Wyckoff." Handwritten on back: "Second annual session of the World's Salesmanship Congress, Detroit, June 10-14, 1917."
