1. Wool quality: a study of the influence of various contributory factors, their significance and the technique of their measurement Creator: Barker, Sydney George, 1887- Collection: Core Historical Literature of Agriculture Publisher: H. M. Stationery Off., Publication Place: London : Date: 1931 Format: Book
2. Range sheep and wool in the seventeen western states Creator: Hultz, Fred S. 1893-1961. Collection: Core Historical Literature of Agriculture Publisher: John Wiley & Sons, Publication Place: New York : Date: 1931 Format: Book