* ''[http://www.gutenberg.org/ebooks/6711 Philip Dru: Administrator; A Story of Tomorrow, 1920-1935]''
* ''[http://www.gutenberg.org/ebooks/6711 Philip Dru: Administrator; A Story of Tomorrow, 1920-1935]''
+
* Murray, William J. (2016). ''[https://www.amazon.com/Utopian-Road-Hell-Enslaving-Planning/dp/1944229086/ Utopian Road to Hell: Enslaving America and the World With Central Planning]''. Washington, D.C.: WND Books. ISBN: 978-1-944229-08-5.