R-historic

R 0.0 (pre-alpha) R-unix-src.tar.gz (1995-06-20)
R 0.1 (alpha) R-0.1alpha.tar.gz (1996-02-12)
R 0.2 (alpha) R-0.2alpha.tar.gz (1996-03-14)
R 0.3 (alpha) R-0.3alpha.tar.gz (1996-03-22)
R 0.4 (alpha) R-0.4alpha.tar.gz (1996-04-01)
R 0.5 (alpha) R-0.5alpha.tar.gz (1996-05-13)
R 0.6 (alpha) R-0.6alpha.tar.gz (1996-05-17)
R 0.7 (alpha) R-0.7alpha.tar.gz (1996-05-28)
R 0.8 (alpha) R-0.8alpha.tar.gz (1996-05-31)
R 0.9 (alpha) R-0.9alpha.tar.gz (1996-06-07)
R 0.10 (alpha) R-0.10alpha.tgz (1996-08-27)
R 0.11 (alpha) R-0.11alpha.tgz (1996-09-09)
R 0.12 (alpha) R-0.12alpha.tar.gz (1996-09-20)
R 0.13 (alpha) R-0.13alpha.tar.gz (1996-11-07)
R 0.14 (alpha) R-0.14alpha.tar.gz (1996-11-28)
R 0.15 (alpha) R-0.15alpha.tar.gz (1996-12-19)
R 0.16 (alpha) R-0.16alpha.tar.gz (1997-02-07)
R 0.16.1 (alpha) R-0.16.1alpha.tar.gz (1997-02-09)

These releases are available through both http and https. They are from https://stat.ethz.ch/R/daily/alpha/ which is only available through https.

The rest of the R releases are available from CRAN, currently through both http and https.

Other tools: