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Circular (United States. Department of Agriculture) no. 273. : Skuderna, A. W.
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1933
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1
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Circular (United States. Department of Agriculture) no. 274. : Dawson, J. R.
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1933
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1
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Circular (United States. Department of Agriculture) no. 275. : Patch, L. H.
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1933
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1
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Circular (United States. Department of Agriculture) no. 276. : Clark, C. F.
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1933
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1
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Circular (United States. Department of Agriculture) no. 278. : Rose, Dean H.
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1933
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1
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Circular (United States. Department of Agriculture) no. 279. : Trimble, C. S.
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1933
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1
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Circular (United States. Department of Agriculture) no. 280. : Fleming, Walter E.
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1933
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1
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Circular (United States. Department of Agriculture) no. 281. : Scott, L. B.
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1933
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1
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Circular (United States. Department of Agriculture) no. 282. : Bryan, Mary Katherine,
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1933
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1
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Circular (United States. Department of Agriculture) no. 283. : Clark, J. Allen
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1933
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1
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Circular (United States. Department of Agriculture) no. 284. : Brandes, E. W.
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1933
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1
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Circular (United States. Department of Agriculture) no. 285. : Holbert, J. R.
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1933
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1
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Circular (United States. Department of Agriculture) no. 286. : Hite, J. E.
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1933
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1
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Circular (United States. Department of Agriculture) no. 287. : Blanchard, R. A.
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1933
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1
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Circular (United States. Department of Agriculture) no. 288. : Davis, W. C.
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1933
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1
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Circular (United States. Department of Agriculture) no. 289. : Cartwright, W. B.
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1933
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1
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Circular (United States. Department of Agriculture) no. 290. : Dachnowski-Stokes, Alfred P.
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1933
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1
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Circular (United States. Department of Agriculture) no. 291. : Wright, R. C.
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1933
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1
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Circular (United States. Department of Agriculture) no. 292.
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1933
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1
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Circular (United States. Department of Agriculture) no. 293. : Saunders, Richard F.
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1933
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1
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Circular (United States. Department of Agriculture) no. 294. : Winkjer, Joel G.,
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1933
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1
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Circular (United States. Department of Agriculture) no. 295. : Baker, Howard,
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1933
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1
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Circular (United States. Department of Agriculture) no. 297. : Christie, J. R.
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1933
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1
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Circular (United States. Department of Agriculture) no. 298.
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1933
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1
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Circular (United States. Department of Agriculture) no. 299. : Griffiths, David,
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1933
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1
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Circular (United States. Department of Agriculture) no. 300. : Nixon, Roy W.
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1934
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1
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Circular (United States. Department of Agriculture) no. 301. : Smith, Floyd F.
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1933
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1
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Circular (United States. Department of Agriculture) no. 302. : Parker, J. R.
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1933
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1
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Circular (United States. Department of Agriculture) no. 303. : Sweet, A. T.
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1933
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1
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Circular (United States. Department of Agriculture) no. 304. : Balch, R. T.
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1933
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1
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Circular (United States. Department of Agriculture) no. 305. : Middleton, William,
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1934
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1
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Circular (United States. Department of Agriculture) no. 306. : Couch, James F.
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1933
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1
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Circular (United States. Department of Agriculture) no. 307. : Blanchard, R. A.
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1934
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1
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Circular (United States. Department of Agriculture) no. 308. : Cooper, J. M.
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1934
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1
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Circular (United States. Department of Agriculture) no. 309. : Stauber, B. R.
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1933
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1
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Circular (United States. Department of Agriculture) no. 310. : Cook, O. F.
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1934
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1
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Circular (United States. Department of Agriculture) no. 311. : Griffiths, David,
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1934
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1
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Circular (United States. Department of Agriculture) no. 312. : Manny, T. B.
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1934
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1
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Circular (United States. Department of Agriculture) no. 313. : Russell, Paul
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1934
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1
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Circular (United States. Department of Agriculture) no. 314. : Leding, A. R.
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1934
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1
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Circular (United States. Department of Agriculture) no. 315. : Mehring, Arnon Lewis,
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1934
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1
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Circular (United States. Department of Agriculture) no. 316.
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1934
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1
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Circular (United States. Department of Agriculture) no. 317. : Fleming, Walter E.
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1934
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1
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Circular (United States. Department of Agriculture) no. 318. : Ballard, W. W.
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1934
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1
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Circular (United States. Department of Agriculture) no. 319. : Hurst, Lewis A.
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1934
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1
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Circular (United States. Department of Agriculture) no. 320.
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1934
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1
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Circular (United States. Department of Agriculture) no. 321. : Merrill, R. M.
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1934
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1
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Circular (United States. Department of Agriculture) no. 322. : May, Curtis,
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1934
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1
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Circular (United States. Department of Agriculture) no. 323. : Mehl, Paul,
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1934
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1
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Circular (United States. Department of Agriculture) no. 324. : Arceneaux, George,
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1934
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1
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