Colignatus (1991), “Eenvoud niet alleen via prioriteitsstelling”, CPB internal note III-15
Colignatus (1992a), “On the reasonableness and the moral desirability of the conditions of Arrow’s Theorem”, published in Colignatus (1992b) pp273-285
Colignatus (1992b), “Definition and Reality in the general theory of political economy; Some background papers 1989-1992”, ISBN 905518-207-9, Magnana Mu Publishing and Research, Rotterdam
Colignatus (1994a), “Tax structure, inflation and unemployment”, Magana Mu Publishing & Research, Rotterdam, ewp-mac/9508002
Colignatus (1994b), “Trias Politica & Central Planning Bureau”, Samuel van Houten Genootschap, The Hague, ISBN 90-802263-1-9
Colignatus (1995a), “On the political economy of employment in the welfare state”, improved from the version included in Colignatus (1992b), ewp-mac/9509001
Colignatus (1995b), “How a dead wrong OECD tax policy causes mass unemployment. An explanation using data for Holland 1950-1995”, ewp-mac/9508003
Colignatus (1995c), “Individual labour supply: A suggestion”, ewp-lab/9509001
Colignatus (1995d), “Belastingstructuur, inflatie en werkloosheid”, in NAD/CBS (1996) “Nederlandse Arbeidsmarktdag 1995, congres rapport”, pp 173-188
Colignatus (1995e), “Economics programs written in Mathematica”, ewp-prog/9508001