USDA:10.5993/AJHB.37.3.2
USDA:10.5993/AJHB.39.3.13
USDA:10.5993/AJHB.40.4.9
USDA:10.5993/AJHB.40.6.1
USDA:10.5993/AJHB.41.2.8