Each pamphlet has its own set of recommended yarns. The following is from the Bellmans version.

Materials
Round neck
7 (7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 17) x 2 ounce balls of Quick Wool or,
8 (8, 10, 11, 13, 14, 15, 16, 18, 19, 20, 20) x 50 gram balls.
Polo neck
7 (8, 9, 10, 11, 13, 14, 15, 16, 16, 17, 18) x 2 ounce balls of Quick Wool or,
8 (10, 11, 12, 13, 14, 15, 16, 18, 19, 19, 20) x 50 gram balls.

Measurements
To fit chest sizes
24 (26, 28, 30, 32, 34, 36, 38, 40, 42, 44) inch chest/bust.
Length
16 (17½, 19, 20½, 22, 23½, 24½, 25, 25½, 26, 26½, 27) inches.
Sleeve seam
10½ (11½, 12½, 13½, 14½, 15½, 16½, 17, 17½, 18, 18) inches.