Measurements
To fit bust
86, 92, 97 cm
34, 36, 38 inch
Length from back neck
67, 69, 70 cm
26½, 27, 27½ inch
Length of sleeve with cuff turned up
38, 38, 38 cm
15, 15, 15 inch

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

Materials
STUDLEY Double Knitting
Superwash (machine washable)
26, 27, 28 balls
Super Pure New Wool
25, 26, 27 balls
Serenade
25, 26, 27 balls
Petspun Nylon
22, 23, 24 balls
Tricel/Nylon Crepe
26, 27, 28 balls
Studleyknit
23, 24, 25 balls
Supreme
26, 27, 28 balls
Tweedy
27, 28, 29 balls
Stitch holders.