Question:
Which employer did Philipp August Böckh work for in Jun, 1808?

Context:
 Philipp August Böckh works for Heidelberg University from Jan, 1807 to Jan, 1811. 
 Philipp August Böckh works for University of Berlin from Jan, 1811 to Jan, 1861. 
 Philipp August Böckh works for Evangelisches Gymnasium zum Grauen Kloster from Jan, 1806 to Jan, 1807.

Answer:
Heidelberg University