For more on the 1936 Literary Digest poll, see Bryson (1976), Squire (1988), Cahalan (1989), and Lusinchi (2012).
Fir méi iwwer déi 1936 Literarescht Digest- Ëmfro, kucke Bryson (1976) , Squire (1988) , Cahalan (1989) an Lusinchi (2012) .