Circular - United States Department of Agriculture.

no.499 (1914); no.338* (1925); no.1-25 1927-28; no.1-40 1927-1928; no.26-50 1928-29; no.41-80 1928-1929; no.51-75 1929; no.51-90 1929; no.81-110 1929-1930; no.91-119 1929-30; no.8 1930; no.27 1930; no.111-150 1930-1931; no.120-148 1930-31; no.149-168 1930-31; no.50 1931; no.106 1931; no.151-190 1931; no.191-230 1931-1932; no.99 1932; no.201-250 1932; no.231-275 1932-1933; no.24 1933; no.148 1933; no.251-300 1932-34; no.276-307 1933-1934; no.63 1934; no.148 1934; no.301-350 1933-35; no.308-350 1934-1935; no.8 rev.1935; no.8 1935; no.56 1935; no.328 (1935); no.351-375 1935; no.351-389 1935-1936; no.376-415 1935-36; no.28 1936; no.148 rev.1936; no.148 1936; no.237 1936; no.246 1936; no.390-434 1936-1937; no.416-450 1936-37; no.51 1937; no.369 (1937); no.390 rev.1937; no.390 1937; no.451-475 1937-38; no.73 1938; no.73 rev.1938; no.155 1938; no.155* (1938:rev.); no.278 (1938); no.401 1938; no.454* (1938); no.473-505 1938; no.476-500 1938; no.478* (1938); no.501-525 1938-39; no.139 1939; no.154* (1939:rev.); no.154 1939; no.506-546 1939-1940; no.526-550 1939-40; no.551-575 1939-1940; no.551-575 1939-40; no.138 1940; no.138 rev.1940; c.1 no.185 rev. 1940; no.284 rev.1940; no.383 1940; c.1 no.383 rev.1940; v.201-250(1932); v.551-575(1939-1940); no.547-581 1940-1941; no.576-600 1940-41; no.99 1941; no.99 rev.1941; no.278 rev.1941; no.278 1941; no.384 rev.1941; no.384 1941; c.1 no.384 rev.1941; no.457 1941; c.1 no.457 rev.1941; no.546 1941; c.1 no.546 rev.1941; c.1 no.556 rev.1941; no.582-620 1941-1942; no.601-630 1941-42; no.631-640 1941-42; no.28 1942; c.1 no.28 rev.1942; no.103 1942; no.103 rev.1942; c.1 no.103 rev.1942; no.148* (1942); c.1 no.148 rev.1942; no.249 rev.1942; no.249 1942; c.1 no.249 rev.1942; no.278 (1942); no.279 (1942); c.1 no.279 rev.1942; no.369 1942; no.369 rev.1942; c.1 no.369 rev.1942; no.386 1942; no.386 rev.1942; c.1 no.386 rev.1942; no.447 1942; c.1 no.447 rev.1942; no.505 1942; c.1 no.505 rev.1942; no.577 (1942); c.1 no.577 rev.1942; no.614* (1942); no.625(rev.1942); no.625 (1942); c.1 no.625 r