1. Clocks, clouds and the study of politics;Almond;World Politics,1977
2. Reduction of Complexity for a Small-N Analysis;Berg-Schlosser;Comparative Social Research,1997
3. An Introduction to Logic and Scientific Method;Cohen,1934
4. Quasi-Experimentation—Design and Analysis Issues for Field Settings;Cook,1979
5. Conditions of authoritarianism, fascism and democracy in inter-war Europe: systematic matching and contrasting of cases for ‘small N’ analysis;De Meur;Comparative Political Studies,1996