These tables supplement the text and show doctoral awards from 1920 through 1999 by field of doctorate and by state and institution, baccalaureate institutions of Ph.D.s from 1920 through 1999, and country of citizenship of non-U.S. citizen doctorate recipients, by visa status, from 1960 through 1999.
US Doctorates in the 20th Century | NSF 06-319 |
October 2006
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