File Papers of the A.I.A. School Lighting Roundtable, 1946 Box 3 In: Kenneth C. Welch Papers, 1915-1972 » Professional Information Files » Lighting
File Illuminating Engineering Society Project on School Lighting, 1946-1949 In: Kenneth C. Welch Papers, 1915-1972 » Professional Information Files » Lighting
File Reports Box 3 In: Kenneth C. Welch Papers, 1915-1972 » Professional Information Files » Lighting » Illuminating Engineering Society Project on School Lighting, 1946-1949
File Miscellaneous papers Box 3 In: Kenneth C. Welch Papers, 1915-1972 » Professional Information Files » Lighting » Illuminating Engineering Society Project on School Lighting, 1946-1949
File Papers of the A.I.A. Symposium on Light and Illumination, 1950 Box 3 In: Kenneth C. Welch Papers, 1915-1972 » Professional Information Files » Lighting
File Papers of the Inter-Society Color Council, 1949-1952 In: Kenneth C. Welch Papers, 1915-1972 » Professional Information Files » Lighting
File Correspondence Box 3 In: Kenneth C. Welch Papers, 1915-1972 » Professional Information Files » Lighting » Papers of the Inter-Society Color Council, 1949-1952
File Reports and newsletters Box 3 In: Kenneth C. Welch Papers, 1915-1972 » Professional Information Files » Lighting » Papers of the Inter-Society Color Council, 1949-1952
File General Information 2 folders Box 3 In: Kenneth C. Welch Papers, 1915-1972 » Professional Information Files » Traffic and Parking