Measurements
To fit bust
18, 20, 22, 24, 26, 28 ins
45.5, 51, 56, 61, 66, 71 cm
Length from back neck
10, 11½, 12½, 14½, 16, 17 ins
25.5, 29, 32, 37, 40.5, 43 cm
Sleeve seam
6, 7½, 9, 10, 12, 13 ins
15, 19, 23, 25.5, 30.5, 33 cm

Each pattern has a different set of recommended yarns. The following are from the Studley version.

Materials
STUDLEY Double Knittings
Tricel/Nylon Crepe
5, 6, 6, 7, 9, 10 balls
Petspun Nylon
5, 6, 6, 7, 9, 10 balls
Swiss Nylon
5, 6, 6, 6, 8, 9 balls
Super Pure New Wool
5, 6, 6, 7, 9, 10 balls
Superwash (machine washable)
5, 6, 6, 7, 9, 10 balls
Floranda
5, 6, 6, 7, 9, 10 balls
Paradiso Crepe or Studleyknit
5, 6, 6, 7, 9, 10 balls
2 press fasteners for back opening.