File National Association of Building Trades Employers Roll 28 In: Walter Drew Papers, 1900-1961 » Topical files
File National Association of Manufacturers and Erectors of Structural Steel and Iron Work Roll 28 In: Walter Drew Papers, 1900-1961 » Topical files
File National Business Conference Committee Roll 28 In: Walter Drew Papers, 1900-1961 » Topical files