Proceedings of the first[-fifth] annual conference on industrial research ... 1950[-54.]
Columbia College, afterwards Columbia University (New York, City of). - Department of Industrial Engineering.
[New York], 
1951-1955.
Some papers from the sixth and seventh annual conferences are entered separately under the title "Human relations in industrial research management".
The proceedings of the third conference is replaced by "Research operations in industry" which is entered separately.
With varying title.