Gender Outlaws: The Next Generation (Seal Press, 2010, Lambda Literary Award Winner)
"Transgressing Gender at Passover with Jesus!” (short story)
Rooted and Rising: Voices of Courage in a Time of Climate Crisis (Rowman & Littlefield, 2019)
“Not Our First Rodeo: Memory and Imagination Stir Up Hope” (personal essay)
Rainbow in the Word: LGBTQ Christians’ Biblical Memoirs (Wipf & Stock, 2017)
"Falling for Ebed Melech" (essay)
Trans-Kin: A Guide for Family and Friends of Transgender People (Bolder Press, 2012)
"Confessions of an Unlikely Ally” (personal essay)
Lighting the Way: An Anthology of Short Plays About the Climate Crisis (Centre for Sustainable Practice in the Arts, 2020)
"Bigger Love" (short play)
The Future Is Not Fixed: Short Plays Envisioning a Global Green New Deal (Applause / Rowman & Littlefield, 2022)
“Mentoring Session #4” (short play)
Ex-Gay No Way: Survival and Recovery from Sexual Abuse (edited by Jallen Rix, 2011, Lambda Literary finalist)
Multiple contributions throughout the anthology (memoir)
Writing Cheerfully on the Web: A Quaker Blog Reader (Lulu Press, 2009)
"The M Word," and "Doin' Time in Estes Park" (personal essays)
“Trading camo for couture, why I refuse to disappear in Trump’s America” — The Advocate
“‘Ex-Gay’ Survivors Go On-Line” — The Gay & Lesbian Review
"Shell Game" — Unlikely Stories
Quaker Liturgy in a Rural Context, Liturgy Journal
"Joseph and the amazing multidimensional story – Genesis 37" REtoday
“Bigger Love” in Geez Magazine Issue 55 (short play)
"Queer Climate Performance Art in the Most Unlikely Places" Howl Round Theater Commons
"Free spirit: After experiencing years of homophobic prejudice, Peterson Toscano calls for solidarity" The Friend
“I Am What I Am, It Is Not a Choice” — The New Statesman
“I Am an Ex-Gay Survivor” — The New York Blade
“Ex-Gay Recruiters Go for Youth” — PlanetOut
“Speaking Lies to Power: Daryl Hannah, Barbie, and Quaker Tricksters”
“A Reluctant Minister: Reflections on Performance Art among Friends”
“What Is Actually There” (short story)
“Penn’s Spring” (short story)
“Unlearning Fear and Shame”
Peterson was a regular contributor to The Huffington Post and published 15 essays, including:
"We’re all in the Same Boat Together? Reflections on Hurricanes, Undocumented Residents, and LGBTQ People"
"Unbreakable -- Lessons Learned in an Ex-Gay Bunker"
"Why on Earth Is This Gay Guy Marching for Climate?"
"Daring to Dream in a time of Donald Trump: An ex-gay survivor speaks out"
"ECOCIDE! Coming Soon to a Cineplex Near You”
“I’m Not Dead Yet!”
“Seaweed Seduction”
“Radical Care: A Human Resource”
Transfigurations—Transgressing Gender in the Bible
Doin’ Time in the Homo No Mo Halfway House -- How I Survived the Ex-Gay Movement
Queer 101–Now I Know My gAy,B,C’s
I Can See Sarah Palin from my Window!
The Re-Education of George W. Bush
How the Indians Discovered Columbus
Footprints–An Inspirational Comedy (retired)