Official website LGBT portal "ILIS (International Lesbian Information Service) | Open Up! lgbt history coming out of the closet". www.openup-lgbtcollections.org.
Επίσημη ιστοσελίδα «ILIS (International Lesbian Information Service) | Open Up! lgbt history coming out of the closet». www.openup-lgbtcollections.org (στα Αγγλικά).