Colignatus, Thomas (2008): On the political economy of environmental survival versus collapse. Clarifying the work done by Tinbergen & Hueting vis-à-vis Weitzman, Nordhaus and Stern. Unpublished.
Colignatus, Thomas (2008): The Old Man and the SNI: A review of advance and adversity in Hueting's research in economic growth and the new scarcity from the environment and sustainable national income (SNI). Unpublished.
Colignatus, Thomas (2009): The Tinbergen & Hueting Approach in the Economics of Ecological Survival. Unpublished.
Colignatus, Thomas (2009): The macro-economics of repressed stagflation. Part 2: The crisis of 2009+ and a reduction of the working week. Unpublished.
Colignatus, Thomas (2009): A win-win measure out of the crisis: A graphical discussion of the tax void. Unpublished.
Colignatus, Thomas (2009): Elegance with substance. Published in: Dutch University Press No. ISBN 978 90 3610 138 7 (12. June 2009): pp. 1-112.
Colignatus, Thomas (2011): High Noon at the EU corral. An economic plan for Europe, September 2011. Unpublished.
