BPH
Circular, Section of Seed and Plant Introduction, United States Department of Agriculture. Washington, DC. Nos. ?+, 19?? Circ. Sect. Seed Pl. Introd. U.S.D.A. HI 74099
Circular, South Carolina Agricultural Experiment Station. Columbia, SC. No. 1-650+, 1910-92+ [some numbers published in revised editions]. Circ. South Carolina Agric. Exp. Sta. HI 53431
Circular, South Dakota Agricultural Experiment Station. Brookings, SD. No. 1-227?, 1931-79? [no. 155 not published]. Circ. South Dakota Agric. Exp. Sta. HI 59496
Circulaire de la Station Botanique. Brignoles. No. 1+, 1929+. Circ. Stat. Bot. ULS 1-771-3. HI 53415
Circular, State Board of Agriculture, Illinois. Springfield, IL. Nos. 1-257, 18??-1917. Circ. State Board Agric. Illinois. Superseded by: Circular, Department of Agriculture, Illinois. Springfield, IL. HI 80702
Circular, State Forestry Department, Kentucky. Frankfort, KY. No. 1+, 1926+. Circ. State Forest. Dept. Kentucky. HI 80703
Circular technica, Centro Nacional de Pesquisa de Gado de Corte. Campo Grande. No. 1+, 1980+. Circ. Techn. Centro Nac. Pesquisa Gado de Corte. HI 64251
Circular técnica, Centro de Pesquisa Agropecuária do Trópica Semi-Arido. Petrolina. No. 1+, 1980+. Circ. Técn. Centro Pesquisa Agropecu. Tróp. Semi-Arido. HI 64249
Circular técnica, Centro de Pesquisa Agropecuária do Trópica Úmido. Belem. No. 1+, 1980+. Circ. Técn. Centro Pesquisa Agropecu. Trop. Úmido. HI 64250
Circular técnica, Instituto de Pesquisas e Estudos Florestais. Piracicaba. No. ?-179-186+, 19??-91-98+. Circ. Técn. Inst. Pesquisas Estudos Florest. HI 80705
Circular técnica, Unidade Regional de Pesquisa Florestal Centro-Sul. Curitiba. No. ?-4+, ?-1981+. Circ. Técn. Unid. Regional Pesquisa Florest. Centro-Sul. HI 64252
Circular, Tennessee Agricultural Experiment Station. Knoxville, TN. Nos. 1-111, 1926-55. Circ. Tennessee Agric. Exp. Sta. HI 64215
Circular, Tennessee Bureau of State Forestry. Nashville, TN. Nos. 1-14, 1922-33. Circ. Tennessee Bur. State Forest. HI 80706
Circular, Texas Agricultural Experiment Station. Austin, College Station, TX. Nos. 1-137, 1913-55 [numbers 1-22 are styled new series]. Circ. Texas Agric. Exp. Sta. HI 82522
Circular, Texas Forest Service. College Station, TX. Nos. 1-113, 1953-1968; n.s., no. 200+, 1969+. Circ. Texas Forest Serv. Incorporated: Bulletin, Texas Forest Service. College Station, TX. HI 75240
Circular, United States Department of Agriculture. Washington, DC. Nos. 1-982, 1927-58. Circ. U.S.D.A. Preceded by: Department circular, United States Department of Agriculture. Washington, DC. HI 60219
Circular, Umatilla Branch, Oregon Agricultural Experiment Station. Corvallis, OR. No. 1+, 1918+. Circ. Umatilla Branch Oregon Agric. Exp. Sta. HI 82326
Circular, University of Georgia Cooperative Extension Service. Athens, GA. 1960+. Circ. Univ. Georgia Coop. Extens. Serv. Preceded by: Circular, Georgia State College of Agriculture Extension Division. Athens, GA. ULS reference. ISSN 0092-2595 HI 81818
Circular, University of Hawaii Agricultural Extension Service. Honolulu, HI. Nos. 352-499, 1956-81. Circ. Univ. Hawaii Agric. Extens. Serv. Preceded by: Agricultural extension circular, University of Hawaii Agricultural Extension Service. Honolulu, HI. Superseded by: Circular, University of Hawaii Agricultural Extension Service. Honolulu, HI. HI 81724
Circular, University of Illinois Cooperative Extension Service. Urbana, IL. No. 510+, 1940?+. Circ. Univ. Illinois Extens. Serv. Preceded by: Circular, University of Illinois Agricultural Experiment Station. Urbana, IL. ULS reference. ISSN 0360-9812 HI 82492
Circular, University of Kentucky Cooperative Extension Service. Lexington, KY. Nos. ?-631?, ?-1971. Circ. Univ. Kentucky Coop. Extens. Serv. Preceded by: Extension circular, Kentucky Agricultural Experiment Station. Lexington, KY. HI 82536
Circular, University of Maine, Cooperative Extension Service. Orono, ME. No. 1+, 1913+. Circ. Univ. Maine Coop. Extens. Serv. HI 82302
Circular, University of Maryland Extension Service. College Park, MD. No. 1+, 1925+. Circ. Univ. Maryland Extens. Serv. HI 82499
Circular, University of Minnesota Agricultural Extension Division. St. Paul, MN. Nos. 1-59, 1919-37 Circ. Univ. Minnesota Dept. Agric. Extens. Div. HI 82556
Circular, University of Missouri Agricultural Extension Service. Columbia, MO. ?-1936+. Circ. Univ. Missouri Agric. Extens. Serv. HI 82574
