- Jason Brownlee, Machine learning datasets used in tutorials on MachineLearningMastery.com
- M. Fernández-Delgado, E. Cernadas, S. Barro, & D. Amorim, (2014). Do we need hundreds of classifiers to solve real world classification problems?. The Journal of Machine Learning Research, 15(1), 3133-3181. (121 datasets in a click!)