1. An introduction to the scientific study of the soil Creator: Comber, Norman Mederson, 1888- Collection: Core Historical Literature of Agriculture Publisher: Longmans, Green & Co., Publication Place: New York : Date: 1927 Format: Book
2. An introduction to agricultural chemistry Creator: Comber, Norman Mederson, 1888- Collection: Core Historical Literature of Agriculture Publisher: Longmans, Green & Co., Publication Place: New York : Date: 1947 Format: Book