Those films were referenced by Tarantino in Inglourious Basterds.
“Das Blaue Licht” (aka The Blue Light) is availible at Amazon.com It is well worth $18. http://www.amazon.com/Blue-Light-Leni-Riefenstahl/dp/B000HD1MW0/ref=sr_1_1?s=dvd&ie=UTF8&qid=1303485767&sr=1-1