Provost Martin briefed the faculty senate on gender equity and the faculty salary program in 2001, reporting no significant differences in pay by gender in any colleges.
MIT has several "Reports of the Committees on the Status of Women" from the different schools within, as well as its most recent (2006) report by Nancy Hopkins on Diversification of University Faculty.
Princeton has a 2005 report on the Status of Women Faculty in the Humanities and Social Sciences which parallels their earlier 2003 report to the President on Women Faculty in the Natural Sciences and Engineering.
Stanford's website hosts "University Women", a project of the Provost's Advisory Committee on the Status of Women Faculty. This website has a number of data-rich reports from its own process as well as those at peer institutions.
Harvard University is one of the nine universities originally convened by MIT on issues of gender equity in higher education (now known as the "MIT9"). This group includes the California Institute of Technology, Harvard University, Massachusetts Institute of Technology, Princeton University, Stanford University, University of California at Berkeley, University of Michigan, University of Pennsylvania, and Yale University. The presidents from each of these Universities came together in 2001 to state publicly that "institutions of higher education have an obligation, both for themselves and for the nation, to develop and utilize fully all the creative talent available." You may read the Joint Statement by the Nine Presidents on Gender Equity in Higher Education here.