Major full text commercial databases have very little on these 2 groups. The search: "Hard Times Prison Project" gets zero hits in JSTOR, Lexis Academic, Factiva, Academic Search Premier and Masterfile Premier "TX-All Text, and Dissertations and Theses Full Text (searching "Document Text"). The search: Triangle Area Lesbian Feminists DOES get 3 hits in Dissertations & Theses Full Text:
1. Singing for our lives: Exploring the interaction of community, feminism and musical performance in the common woman chorus. by Womack, Jennifer L., M.A., The University of North Carolina at Chapel Hill, 2009, 131 pages; AAT 1467319. 59 references.
2."Thank you Anita.": Gay and lesbian activist and experimental filmmaking of the late 1970s
by Youmans, Greg, Ph.D., University of California, Santa Cruz, 2009, 303 pages; AAT 3384782
3.Women's organizations and grassroots politics: Denver, Durham, and Indianapolis 1960--1975. by Blair, Melissa Anna Estes, Ph.D., University of Virginia, 2008, 284 pages; AAT 3312197
But even if you ordered these on interlibrary loan, it's quite possible that "Triangle Area Lesbian Feminists" was mentioned only in passing. To be sure, Proquest's PDF search is probably not the most accurate in the database business, and there may even be MORE there than appears to be.