University of Iowa extension bulletin.

no.1-20 (Bd w/o 5); no.37; no.68; no.81-100 (Bd w/o 82); no.88; no.90; no.92; no.93; no.113; no.118-120; no.133; no.140; no.141,143; no.201-240; no.213; no.229; no.231; no.232; no.236; no.240; no.258 1930; no.238-294 1932; no.260; no.261-280 (Bd w/o 269); no.264; no.283; no.288; no.290; no.301-350 (Bd w/o 307,309,333,343); no.351-400; no.379-402 1936; no.401-460; no.403-426 1937; no.427-450 1938; no.451-474 1939; no.461-490; no.475-498 1940; no.491-520; no.499-525 1941-42; no.505; no.516; no.521-550; no.526-546 1942; no.547-581 1943-44; no.551-589; no.582-593 1945; no.590-609; no.590 1945-1946; no.594-612 1946-1947; no.610-629; no.613-628 1947-1948; no.630-649; no.650-673; no.675-712; no.713-729; no.730-749 (Bd w/o 732); no.750-764; no.762-798 1960-1963 Incompl.; no.765-779; no.780-795 (Bd w/o 795); no.796-809; no.799-842 1963-1966 Incompl.; no.810-819