Estimates (or more correctly: predictions) of parties' positions in multiple dimensions in different countries, spanning the decades from 1945 (1920 for the USA) to 2010 is now available here on my website.
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Distribution of parties in the nonmaterialist policy space

The data are available in csv-format as summaries of the posterior distribution (means, standard deviations and 95 percent prediction intervals) and as draws from the posterior distribution (with 5, 100, and 2000 replications). I plan to extend the data by adding more dimensions and will also provide software for getting 'quick-and-dirty' estimates using a Laplace approximation, which is considerably faster than the computationally intensive Monte Carlo integration approach used for the Political Analysis article on which the published estimates are based.