Below are a few of the subject headings assigned to books on LGBTQIA+ topics. This list is not comprehensive.
- Asexual people
- Bible -- Gay interpretations
- Bisexuals
- Bisexual students
- Children of sexual minority parents
- Christian gays
- Gay & Lesbian Alliance Against Defamation
- Gay activism and activists
- Gay Activists Alliance
- Gay activists
- Gay actors
- Gay and Lesbian Medical Association
- Gay and lesbian studies
- gay artists
- gay athletes
- Gay authors
- Gay clergy
- Gay college students
- Gay college teachers
- Gay community
- gay composers
- Gay consumers
- Gay couples
- Gay critics
- Gay culture
- Gay dramatists
- gay fathers
- Gay fiction
- Gay high school students
- Gay legislators
- Gay liberation movement
- Gay male couples
- gay marriage
- Gay men
- Gay military personnel
- Gay motion picture actors and actresses
- Gay musicians
- Gay parents
- Gay politicians
- Gay pride celebrations
- Gay pride day
- Gay pride parades
- gay prisoners
- Gay psychiatrists
- Gay rights
- Gay singers
- Gay students
- Gay teachers
- Gay teenagers
- Gay theater
- Gay youth
- Gays
- Gays in popular culture
- Gender identity
- Hispanic American gays
- Homopohobia
- Homosexuality
- Homosexuality and education
- Intersex people
- Intersexuality
- Jewish lesbians
- Jewish transgender people
- Lesbians
- Lesbian athletes
- Lesbian authors
- Lesbian clergy
- Lesbian couples
- Lesbian culture
- Lesbian feminism
- Lesbian feminist theory
- Lesbian mothers
- Lesbian partner abuse
- Lesbian students
- Lesbian teachers
- Lesbianism
- Lesbianism in literature
- LGBT in the Arts
- LGBT life
- LGBT Studies
- Libraries and gays
- Parents of transgender children
- LGBTQ+ Studies
- Queer theory
- Same-sex marriage
- Sexual minorities
- Sexual minority youth
- Sexual orientation
- Social work with gays
- Trans studies
- Transexualism
- Transgender children
- Transgender military personnel
- Transgender people
- Transgender people in motion pictures
- Transgender prisoners
- Transgender students
- Transgender youth
- Transgenderism
- Transphobia