RT Journal Article SR Electronic T1 DEGREES IN SCIENCE AT HARVARD UNIVERSITY JF Science JO Science FD American Association for the Advancement of Science SP 522 OP 523 DO 10.1126/science.9.223.522 VO 9 IS 223 A1 Cattell, J. McKeen YR 1899 UL http://science.sciencemag.org/content/9/223/522.abstract AB