21. What I know of farming: a series of brief and plain expositions of practical agriculture as an art based upon science / Creator: Greeley, Horace, 1811-1872. Collection: Core Historical Literature of Agriculture Publisher: G. W. Carleton ; Sold by the Tribune Association, Publication Place: New York : Date: 1871 Format: Book
22. What about the year 2000?: an economic summary of answers to the vital questions : Will our land area in the United States meet the demands of our future population? How are we to determine the best use of our land resources? Creator: Delano, Frederic Adrian, 1863-1953. Collection: Core Historical Literature of Agriculture Publisher: Mount Pleasant Press, Publication Place: [Harrisburg, Pa. : Date: 1929 Format: Book
23. Western live-stock management Creator: Potter, E. L. 1884- Collection: Core Historical Literature of Agriculture Publisher: Macmillan, Publication Place: New York : Date: 1917 Format: Book
24. West African forests and forestry Creator: Unwin, Arthur Harold. Collection: Core Historical Literature of Agriculture Publisher: T.F. Unwin, ltd., Publication Place: London : Date: 1920 Format: Book
25. Welding helps for farmers Creator: Patch, A. J. Collection: Core Historical Literature of Agriculture Publication Place: Cleveland Date: 1947 Format: Book
26. Weeds of lawn and garden: a handbook for eastern temperate North America Creator: Fogg, John Milton, 1898- Collection: Core Historical Literature of Agriculture Publisher: University of Pennsylvania Press Publication Place: Philadelphia : Date: 1945 Format: Book
27. Weeds of farm land Creator: Brenchley, Winifred Elsie, 1883- Collection: Core Historical Literature of Agriculture Publisher: Longmans, Green and co., Publication Place: London : Date: 1920 Format: Book
28. Weeds and how to eradicate them Creator: Shaw, Thomas, 1843-1918. Collection: Core Historical Literature of Agriculture Publisher: J. E. Bryant Co., Publication Place: Toronto : Date: 1893 Format: Book
29. Weeds Creator: Muenscher, Walter Conrad Leopold, 1891-1963. Collection: Core Historical Literature of Agriculture Publisher: Macmillan, Publication Place: New York : Date: 1935 Format: Book
30. Weed control: a textbook and manual Creator: Robbins, Wilfred William, 1884-1952. Collection: Core Historical Literature of Agriculture Publisher: McGraw-Hill Book Company, Inc., Publication Place: London : Date: 1942 Format: Book