Importing the spatially-explicit tables (TMsch.csv and TMlea.csv, in the form of simple lat/long coordinates) into QGIS via the'Add Delimited Text Layer' plugin, allows for a first look at the data. Selecting 'Save layer as vector file..' from the Layers menu. In the dialog box, select the following parameters:
Format: SQLite
Encoding: UTF-8
CRS: Google Mercator EPSG:900913
Import the non-spatial .csv tables into SQLite database files using a database inspector like Base or from the command line using SQL for SQLite. Be sure to import all six tables into one database.