The unreliability of the first census of the United States as a basis for computing "national origins" quotas under the immigration law of 1924 : shown in the following pages, reproduced from chapter XXIII of "A hidden phase of American hisstory" (Ireland's part in America's struggle for liberty)

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Prif Awdur: O'Brien, Michael J.
Fformat: Pamphlet
Iaith:English
Cyhoeddwyd: New York : 1919
American Irish Historical Society
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Mynediad Ar-lein:http://pahrc.pastperfect-online.com/30664cgi/mweb.exe?request=record;id=81EB87C8-10D1-454E-B3E2-388365515264;type=201
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