Heinkel He 52
The Heinkel He 52 was a high-altitude version of the He 51, the first fighter aircraft to serve with the new Luftwaffe after its official formation. One prototype was built, but the project was abandoned after the German Air Ministry decided to introduce the Messerschmitt Bf 109, making the biplane fighters obsolete.
Aircraft of the Luftwaffe 1935-1945, Jean-Denis G.G. Lepage
Combines a good background history of the Luftwaffe with a comprehensive examination of its aircraft, from the biplanes of the mid 1930s to the main wartime aircraft and on to the seemingly unending range of experimental designs that wasted so much effort towards the end of the war. A useful general guide that provides an impressively wide range of information on almost every element of the Luftwaffe (Read Full Review)
How to cite this article:
Rickard, J (20 November 2009), Heinkel He 52 , http://www.historyofwar.org/articles/weapons_heinkel_he_52.html