The Bisexual Index (highly recommended site)
“Being bisexual means that you’re only attracted to two genders. Bi means two. Two genders” (don’t worry about the title)
“Study: Bisexuality Not Just an Experimental Phase”
“Bi the Dozen: A Bisexuality Quiz”
American Institute of Bisexuality
“Bisexual Invisibility: Impacts and Recommendations”
“Why do lesbians hate bisexuals?”
“Bisexuality does not reinforce the gender binary” by Julia Serano
“Bisexual, Pansexual, and if there’s a difference”
This is a work-in-progress.