00370pab a2200121 454500008004000000100001600040245010200056260000900158300001400167362000800181650001800189773004100207180718b2005 xxu||||| |||| 00| 0 eng d aSchor, Paul aMobilising for pure prestige? Challenging federal census ethnic categories in the USA (1850-1940) c2005 ap.89-101. aMar aEthnic groups aInternational Social Science Journal