The first is an overview of visualizations of the U.S. Constitution by Prof. Harry Surdon.
The second refers to a forthcoming article on the study of a quantitative analysis of the Writing Style of the U.S. Supreme Court, by Keith Carlson, Michael A. Livermore, and Daniel Rockmore, Dated March 11, 2015.
The use of graphs and other visualizations is an exciting trend in the study and analysis of law. The linked article contains links to further your research.
Hat Tip to LLRX.com
Ernster, the Virtual Library Cat