King Cole use D.K. yarn for the whole of the pattern so two strands of the yarn are used together throughout.

Measurements
To fit bust
76, 81, 86, 91, 97, 102 cm
(30, 32, 34, 36, 38, 40 in)
Length approximately
58, 58, 60, 60, 60, 60 cm
(23, 23, 24, 24, 24, 24 in)
Sleeve seam
44, 44, 44, 44, 44, 44 cm
(17½, 17½, 17½, 17½, 17½, 17½ in)

Each pamphlet has its own set of recommended yarns.
The following are from the Bronte version.

Materials
Brushed Chunky
Sizes 76/81/86/91/97/102 cm
(30/32/34, 36, 38, 40 in)
M 6 6 6 6 6 7 100 gram balls
C 1 1 1 1 1 1 100 gram ball
One cable needle.