1. St. Thomas Aquinas. In Librum Boethii De Trinitate Quaestiones Quinta et Sexia P. Wyser Fribourg 1948. Translation by A. Maurer. The Division and Methods of the Sciences 3rd edition 1963
2. Problems and mistakes in statistical analysis;Moran;Communications in Statistics,1973
3. How to find out in Statistical and Probability Theory;Moran;Int. Statist. Rev.,1974
4. Smith , C. Elementary Treatise on Conic Sections by the methods of Coordinate Geometry has 759 examples at the ends of its chapters and several hundred more in the text. This is quite typical