This is the "e" distribution, containing every version of those systems for which we have 10 or more versions in the corpus. It is distributed in 9 parts to deal with the fact that the web server limits file size and the internet connect to New Zealand makes moving large files more risky. Just unpack them all in the same directory, cd to QualitasCorpus-20130901e and follow the instructions for installing the corpus in the README file.
This is the "f" distribution, containing those versions of systems that do not appear in either the "r" or the "e" distributions. To create the complete corpus, unpack the "r", "e", and "f" distributions in the same place, and then install as usual. Note that some versions in the "e" distribution are also in the "r" distribution.