Turbine tractor, 365 Turkey, collars for, 266 Twist barbed wire, see Brink Twist Twist Oval barbed wire, 283 2,4-D, sample of, 359 United Fruit Company, donor, 71 Upham, Andrew J., 318 Vacuum pan, 26 Vaughn, Ruben F., donor, 37 Veikko, Jarvis, donor, 217 Vermont Farm Machine Co., 68 Vette, Irwin, 245 Victor mower, 137 Viking garden tractor, 382 Vise, bench, 342; harness, 145 Vista tractor, 378 Vonnegut, Kurt, Jr., donor, 383 Waldron cradle, 32 Wallis tractor, 211 War wire, barbed, 312, 314, 315, 334, 335 Washburn, Charles G., 321 Water lift, wheel for, 101, 242 Waterloo Boy tractor, 363 Waterwheel, 101, 242 Watkins, W., 328 Waybright, Earl J., donor, 126 Welcome, Sir Henry S., donor, 30 Weston, D. M., 8 Wheat, implements used in connection with, 69, 91, 118, 131, 135, 141, 143, 144, 153, 160, 202, 213, 241, 252, 265, 360, 361, 395 Wheelbarrow, 275, 276 Whip, 109 Wiat, Newton E., donor, 253 Wilson, Arden, donor, 74 Wimberly, C. W., donor, 372, 373 Winch, tractor, 350 Windmill, 101 Wine press, 371 Winner barbed wire, 311 Winnowing, baskets for, 11, 18, 141; mills for, 31, 74, 97, 134, 149, 360, 361, 399 Wire, barbed, see Barbed wire Wiser, Alice, donor, 411 Wood, Jethro, 38 Woodcock plow, 53 Woodson, A. G., 412 Woodson High School, Fairfax, Virginia, donor, 382 Wright expansion bit, 393 Yoke, ox, 41, 159 Zig-Zag barbed wire, 297 Publications on Farming by the Staff of the Division of Agriculture and Mining, 1965-1971 Christian, Pauline B. 1968. Annotated List of Photographs in the Division of Agriculture and Forest Products. Smithsonian Institution, Information Leaflet 519. 126 pages. Peterson, Gale E. 1967. "The Discovery and Development of 2,4-." Agricultural History, 41 (July 1967): 243-253. 1967. "Living Historical Farms: A Feasibility Study." Smithsonian Journal of History, 2 (Summer 1967): 72-76. Schlebecker, John T. 1965. "The Great Holding Action: The NFO in September, 1962." Agricultural History, 39 (October 1965): 204-213. [Reprinted in Readings in Collective Behavior, edited by Robert B. Evans. Chicago: Rand McNally, 1969.] 1966. "Research in Agricultural History at the Smithsonian Institution." Agricultural History, 40 (July 1966): 207-210. 1966. "The Combine Made in Stockton." The Pacific Historian, 10 (Autumn 1966): 14-21. Illustrated. 1967. A History of American Dairying. Chicago: Rand McNally. 48 pages, illustrated. 1967. A Bibliography of Books and Pamphlets on the History of American Agriculture, 1607-1967. Santa Barbara: Clio Press. 182 pages. 1967. "Agriculture in Western Nebraska, 1906-1966." Nebraska History, 48 (Autumn 1967): 249-266. 1967. "Henry Ford's Tractor." Smithsonian Journal of History, 2 (Summer 1967): 63-64. Illustrated.