after joining the dominican order, he studied and taught at padua, bologna, cologne and other german convents in hildesheim, freiburg, ratisbon, strasburg, and cologne.

This is all lower case. Can you fix that?
After joining the Dominican Order, he studied and taught at Padua, Bologna, Cologne and other German convents in Hildesheim, Freiburg, Ratisbon, Strasburg, and Cologne.