Aeronautical Research in Germany : From Lilienthal Until Today, Volume 147 / E.H. Hirschel, H. Prem, G. Madelung. - Berlin, 2004. - p. 71
On 1933-04-29 the 'State Commissioner's Department for Aviation' was converted to the Reichsluftfahrtministerium with Göring as Minister and Milch as Staatssekretär.
Reichsluftfahrtministerium