Human resources of Central America, Panama and Mexico, 1950-1980, in relation to some aspects of economic developmentLouis J. Ducoff · First published 1960Open the Tome
Human resources of Central America, Panama, and Mexico, 1950-1980Louis J. Ducoff · First published 1960Open the Tome
Farmers conceptions and plans for economic security in old ageWilliam H. Sewell, Charles E. Ramsey, Louis J. Ducoff · First published 1953Open the Tome
Old age and retirement in rural ConnecticutWalter C. McKain, Elmer D. Baldwin, Louis J. Ducoff · First published 1953Open the Tome
The hired farm working force of 1951, with special information on regular workers in 1950Louis J. Ducoff · First published 1952Open the Tome
Employment and wages of the hired farm working force in 1945 with special reference to its population compositionLouis J. Ducoff · First published 1946Open the Tome
Wages and wage rates of harvesters of special crops in selected areas of 13 states, 1945Louis J. Ducoff · First published 1946Open the Tome
