Which Biology Major? and Which Intro Bio Course? were publications developed in 1996-1997 by UW-Madison's first cross-campus biological sciences advisor. The guides were designed to help undergraduates in the biological sciences understand and choose among the multiple majors and introductory courses in the biological sciences at UW-Madison, which span six schools/colleges.
PDF copies were available online for several years before the content was made web-only in 2011. Some of it was incorporated into the BioCommons website in 2016.