She is also the editor of a collection of interviews, [Looking Up Harryette Mullen: Sleeping with the Dictionary and Other Works] and The Selected Prose of Bobbie Louise Hawkins.
See her photo-documentary Make Your Mama Proud Here she tells the story of her relationship with Allen Saperstein and friends in the 1970s in Detroit's artistic Cass Corridor.
In 1992, she founded the literary magazine Downtown Brooklyn: A Journal of Writing, an English Department publication at Long Island University.
In 2003 Henning began composing, publishing and distributing to a list of poets, a limited artist's series of her photo-poem pamphlets under the imprint of Long News.
They include My Animal Eyeball, The Dinner, Twelve Green Rooms, Twirling, the Spirit Flies Off Like a Falcon, Hari Om, Cities & Memory, An Arc Falling into the Bougainvillea, 7th Street, The Animal I Am, Aham Asmi Aham Asmi, Black Grapes, My Autobiography, Found in the Park, Up North, Aerial View.