الرئيسية / علوم طبيعية

كتب علوم طبيعية

56,688 كتاباً في تصنيف «علوم طبيعية»: كتب سقط عنها حق النشر تقرؤها مجاناً، وكتب عربية حديثة نوصلك إلى صفحاتها لدى مصادرها القانونية. تصفّح في المكتبة

• Address of the President of the United States on agriculture to be delivered at Hutchinson, Kans., June 23, 1923, at 2 P. MWarren G. Harding
• United States census of agriculture: 1925 : Reports for states, with statistics for counties and a summary for the United StatesUnited States. Bureau of the Census
• United States census of agriculture, 1925 : summary statistics by states, final figuresUnited States. Bureau of the Census
• Farm relief legislationUnited States. Congress. Senate. Committee on Agriculture and Forestry
• Fifteenth census of the United States: 1930. Census of agriculture. Large-scale farming in the United States, 1929United States. Bureau of the Census
• United States census of agriculture: 1935. Part-time farming in the United States. Prepared under the supervision of Z.R. Pettet, chief statUnited States. Bureau of the Census
• Agriculture's share in the national income. October 1935United States. Agricultural Adjustment Administration
• Agricultural conference and Farm board inquiryUnited States. Congress. Senate. Committee on Agriculture and Forestry
• Farm security administrationUnited States. Congress. House. Select Committee to Investigate the Activities of the Farm Security Administration
• Long-range agricultural policyUnited States. Congress. House. Committee on Agriculture
• Long-range agricultural policyUnited States. Congress. Senate. Committee on Agriculture and Forestry
• Long-range agricultural policy and program : hearings before a subcommittee of the Committee on Agriculture and Forestry, United States SenaUnited States. Congress. Senate. Committee on Agriculture and Forestry
• United States census of agriculture: 1954United States. Bureau of the Census
• Development of agriculture's human resources; a report on problems of low-income farmers. Prepared for the Secretary of AgricultureUnited States. Dept. of Agriculture
• 1969 census of agricultureUnited States. Bureau of the Census. Statistical Research Division
• General farm legislation. Hearings before a subcommittee of the Committee on agriculture and forestry, United States Senate, Seventy-fifth CUnited States. Congress. Senate. Committee on Agriculture and Forestry
• Federal, state, and local administrative relationships in agricultureCarleton R. Ball
• Types of agricultural occupance of flood plains in the United StatesIan Burton
• The agricultural blocArthur Capper
• Agricultural policy of the United StatesHarold G Halcrow
• Our farm program and foreign trade; a conflict of national policiesC. Addison Hickman
• Farm relief and its antecedents, by Rayner W. KelseyRayner Wickersham Kelsey
• The agrarian revival; a study of agricultural extensionRussell Lord
• Harvey Baum, a study of the agricultural revolutionEdward Sherwood Mead
• American agriculture, its structure and place in the economyRonald L. Mighell
• The great farm problemWilliam H Peterson
• Agriculture in an unstable economyTheodore W. Schultz
• Redirecting farm policy.Theodore W. Schultz
• Balancing the farm output : a statement of the present deplorable conditions of farming, its causes, and suggested remediesW. J Spillman
• The agricultural depression and proposed measures for its reliefArthur Morton Murphy
• The farm blocWesley McCune
• Agriculture in an expanding economy : a statementCommittee for Economic Development. Research Committee
• A national agricultural policy : for all the people of the United StatesLeonard Hastings Schoff
• Food and freedom; gearing U. S. farm production to world plenty and peaceWashington Conference on Economic Progress
• Surplus : the riddle of American agricultureAlan R Bird
• An adaptive program for agriculture. A statement on national policyCommittee for Economic Development
• U.S. agricultural policy in the postwar years, 1945-1963; development of U.S. farm problems, an 18-year legislative reviewinc Congressional Quarterly
• Tabular statements from 1840 to 1870, of the agricultural products of the states and territories of the United States of AmericaSamuel B. Ruggles
• Agriculture in the Chicago regionEdward A. Duddy
• Agricultural discontent in the Middle West, 1900-1939Theodore Saloutos
• Agricultural opportunitiesUnited States. Bureau of Immigration and Naturalization
• The movement of farm populationErnest Charles Young
• The agricultural industry of southeastern PennsylvaniaHenry Francis James
• Farms, farm characteristics, farm products, Virginia: 1953 sample census of agricultureUnited States. Bureau of the Census
• Nutrition, agriculture, fisheries and forestry : Meeting of the Anglo-American Caribbean commission, August 17-21, 1943Carribbean commission
• The future of our agricultureHenry W. Wolff
• Agricultural Russia and the wheat problemVladimir P. Timoshenko
• Aspects of Japanese agriculture; a preliminary surveyShiroshi Nasu
• Chinese farm economy : a study of 2866 farms in seventeen localities and seven provinces in ChinaJohn Lossing Buck
• Establishing branch plantsLehigh and New England Railroad Company
• Report of the Federal trade commission on agricultural incoma inquiryUnited States. Federal Trade Commission
• The Federal trade commission, its nature and powersJohn Maynard Harlan
• The nature of the corporation as a legal entity : with special reference to the law of MarylandJames Treat Carter
• Municipal ownership, with a special survey of municipal gas plants in America and Europe; comprising a view of the general principles of pubAlbert May Todd
• Problems involved in applying a Federal minimum wage to agricultural workersUnited States. Department of Labor
• The labor history of the Cripple Creek district; a study in industrial evolutionBenjamin McKie Rastall
• Considerations upon the nature and tendency of free institutions.Frederick Grimké
• Elements of political science. By John Craig ... In three volumesJohn Craig
• Introduction to political science; two series of lecturesSir J. R. Seeley
• Political science and governmentJames Wilford Garner