Her 1976 film ''Greta's Girls'' is, following
Barbara Hammer, one of the first independent short films to focus on lesbians. She had a part in directing the 1981 documentary
Greetings from Washington, D.C. which details the first important LGBT march for gay rights, held in 1979. The film combines interviews with multiple forms of media that shows the history of gays and lesbians during the early 20th century to the late 1960s.
Before Stonewall was the first gay or lesbian film to be funded by the
Corporation for Public Broadcasting. In 1985, Schiller and
Andrea Weiss founded Jezebel Productions, a nonprofit women's film production company based in New York City. Schiller and Weiss were strongly influenced by both the New Left movement and the women's and gay liberation movements of the 1970s.
Paris Was a Woman, about creative lesbians in 1920s
Paris, was a labor of love for the two filmmakers, taking 5 years to produce and breaking house records.
Woman of the Wolf (1994),
The Man Who Drove with Mandela (1998),
I Live At Ground Zero (2002), In 2020, she directed
The Land of Azaba, the first feature documentary on the subject of ecological restoration. Set in one of the world's first "hot spots" for increasing and maintaining bio-diversity, Campanarios de Azaba Nature Reserve in Western Spain, the film premiered at the Valladolid International Film Festival and won "Best Cinematography" in the Mystic Film Festival. ==Reception==