Campbell Gibson

The population in large urban concentrations in the United States, 1790–1980: A delineation using highly urbanized counties

Campbell Gibson, 1987, Demography.

Urbanization in New Zealand: A comparative analysis

Campbell Gibson, 1973, Demography.

HISTORICAL CENSUS STATISTICS ON THE FOREIGN-BORN POPULATION OF THE UNITED STATES: 1850TO1990

Campbell Gibson, E. Lennon, 1999 .

The Contribution of Immigration to United States Population Growth: 1790–1970 *

Campbell Gibson, 1975 .

The Foreign-Born Population of the United States: 1850 to 2000

Campbell Gibson, Kay Jung, Campbell Gibson, 2006 .

The Contribution of Immigration to the Growth and Ethnic Diversity of the American Population

Campbell Gibson, 1992 .