1972 saw the publication of the first volume of the revised Supplement to the Oxford English Dictionary, covering the letters A-G. The second volume, for the letters H-N, appeared in 1976, and the third volume, spanning O-Scz, appeared in 1983. Reviews of these three volumes were published in Word Ways in 1977 and May 1983.
"The OED Supplement (Se-Z),"
Word Ways: Vol. 20
, Article 5.
Available at: http://digitalcommons.butler.edu/wordways/vol20/iss2/5