The institutes can include a link to their homepage or include an e-mail address for each class (either for the institute or course instructor). You can find this information when you access the course using the course search function and then by clicking on the course number. If you need more information, you can also contact the institute holding the course directly.

See: www.jku.at, opens an external URL in a new window under the header "The JKU"-"Organizations"-"Institutes" to find a list of all institutes at the JKU.