Everything I could unearth. Wanna know why his works are so expensive in German? Because Klett-Cotta owns the rights to them.
https://archive.org/search.php?query=creator%3A%22J%C3%BCnger%2C+Ernst%2C+1895-1998%22
https://archive.org/search.php?query=creator%3A%22Juenger%2C+Ernst%22