The Topical Catalogues are a resource for further studies and offer a tool to develop applications of the quantitative approach in art history.
The application of an inverse power law, known as Lotka’s law of scientific productivity, is a singularity in art history
Another well-defined art historical study with useful conclusions. K. Bender has assembled catalogues of depictions of the goddess Venus from various regions, and analysed the resulting data. The results fit a power law.