Toulmin, S. E. The discovery of time.
Hutton, J. The system of the earth, its duration, and stability.
Playfair, J. Excerpts from Illustrations of the Huttonian theory of the earth.
Lyell, C. Prejudices which have retarded the progress of geology.
Whewell, W. The two antagonist doctrines of geology.
Chamberlin, T. C. The method of multiple working hypotheses.
Gilbert, G. K. The origin of hypotheses, illustrated by the discussion of a topographic problem.
Davis, W. M. The value of outrageous geological hypotheses.
Johnson, D. W. Role of analysis in scientific investigation.
Mackin, J. H. Rational and empirical methods of investigation in geology.
Anderson, C. A. Simplicity in structural geology.
Hubbert, M. K. Critique of the principle of uniformity.
Simpson, G. G. Uniformitarianism.
Hooykaas, R. Catastrophism in geology, its scientific character in relation to actualism and uniformitarianism.
Kitts, D. B. Geologic time.
