Elissa Auther, Adam Lerner, West of Center - Art and the Counterculture Experiment in America, 1965-1977, U of Minnesota Press, (ISBN9780816677252, présentation en ligne)
Gyoergy Moldova, Ballpoint - A Tale of Genius and Grit, Perilous Times, and the Invention that Changed the Way We Write, Steerforth Press, (ISBN9780982578179, présentation en ligne)