Immigration
103 objects illustrate this topic:

 Page: of 11 
"Racial and diagnostic records of inmates of state institutions", multiple pages (#1184)
"Relative social inadequacy of the several nativity groups and immigrant groups of the U.S.: all types of social inadequacy" (#935)
"Relative social inadequacy of the several nativity groups and immigrant groups of the U.S.: crime, dependency" (#936)
"Relative social inadequacy of the several nativity groups and immigrant groups of the U.S.: epilepsy, tuberculosis" (#937)
"Relative social inadequacy of the several nativity groups and immigrant groups of the U.S.: feeblemindedness, insanity" (#938)
"Relaxing quotas for exiles fought" and "Science and immgration," New York Times, May 4 and August 12, 1934 (Laughlin against exemptions for Jews) (#1111)
Rep. A. Johnson cable to H. Laughlin about appointing him as an agent of immigration (#1177)
"Researches on crime in relation to nativity," Laughlin's research for the Committee on Immigration and Naturalization, multiple pages (#1158)
"Researches on immigration," by H. Laughlin (#1224)
"Rough or approximate comparability of scales for the measurement of natural intelliegence" (#940)
Russian giant at Ellis Island (Photograph by Augustus Sherman) (#1538)