Three Sizes
Small - for those of chest 24 - 26 in
Medium - for those of chest 28 - 30 in
Large - for those of chest 32 - 34 in

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

Materials
For the complete set (sweater, beret and mitts)
STUDLEY Double Knittings
Crepe Pure New Wool
Main Shade: 12, 12, 13, 14, 15, 16 balls
Contrast : 1, 1, 1, 1, 1, 1 ball
Super Pure New Wool
Main Shade: 13, 14, 15, 16, 17, 18 balls
Contrast : 1, 1, 1, 1, 1, 1 ball
Floranda Knitting
Main Shade: 13, 14, 15, 16, 17, 18 balls
Contrast : 1, 1, 1, 1, 1, 1 ball
Petspun Nylon
Main Shade: 13, 14, 15, 16, 17, 18 balls
Contrast : 1, 1, 1, 1, 1, 1 ball
Swiss Nylon
Main Shade: 12, 12, 13, 14, 15, 16 balls
Contrast : 1, 1, 1, 1, 1, 1 ball
Stitch holder.