No specific yarns are suggested. Yarn requirements according to the pattern:

50% cotton / 50% rayon, 175m/50g
12 skeins khaki
1 skein black

60% rayon / 20% cotton / 15% acrylic / 5% polyamide, 90m/50g
5 skeins brown
3 skeins black

75% angora / 25% wool, 95m/20g
5 skeins black