Ivy League Eastern Intercollegiate Baseball League; they were later joined by Harvard, Brown, Army and Navy. Before the formal establishment of the Ivy League, there was an "unwritten and unspoken agreement among certain Eastern colleges on athletic relations". The earliest reference to the "Ivy colleges" came in 1933, when Stanley Woodward of the New York Herald Tribune used it to refer to the eight current members plus Army. In 1935, the Associated Press reported on an example of collaboration between the schools: Despite such collaboration, the universities did not seem to consider the formation of the league as imminent. Romeyn Berry, Cornell's
Ivy League to refer to the Ancient Eight plus several other schools for purposes of alumni associations, university affiliations, or endowment comparisons. In his book "Untangling the Ivy League", Zawel writes, "The inclusion of non–Ivy League schools under this term is commonplace for some schools and extremely rare for others. Among these other schools, Massachusetts Institute of Technology and Stanford University are almost always included. The University of Chicago and Duke University are often included as well." In their 2015 book "Acing Admissions", Mehta and Dixit write, "The ["Ivy Plus" schools] include, but are not limited to: Massachusetts Institute of Technology (MIT),