Unity, not uniformity, must be our aim. - MPF
Sonia and I have worked on an attempt to connect Oliver Sheldon and Mary Parker Follett's work. You can read the result of our study in the Journal of Management History (http://www.emeraldinsight.com/doi/full/10.1108/JMH-04-2017-0023)
Oliver Sheldon has been working at the Rowntree & Co in the 1920's. He wrote a book about the "Philosophy of Management" in 1923 that has been read by Follett.