- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)33
- Speer, Albert3
- Burleigh, Michael2
- Haffner, Sebastian2
- Hitler, Adolf2
- Kershaw, Ian2
- Matthias, Erich2
- Shirer, William L.2
- Williamson, D. G.2
- Adamec, Ludwig W.1
- Aly, Götz1
- Berend, Tibor Iván1
- Bracher, Karl Dietrich1
- Breiting, Richard1
- Breitman, Richard1
- Bärsch, Claus-Ekkehard1
- Canonici, Guy1
- Cichy, Edward1
- Clay, Lucius D.1
- Cocks, Geoffrey1