Cleopatra
Henry Rider Haggard
Precalculus
Jay P. Abramson & Valeree Falduto & Rachael Gross (Mathematics teacher) & David Lippman & Melonie Rasmussen & Rick Norwood & Nicholas Belloit & Jean-Marie Magnier & Harold Whipple & Christina Fernandez
Notes on Nursing: What It Is, and What It Is Not
Florence Nightingale
How and When to Be Your Own Doctor
Isabelle A. Moser
Elementary Algebra
Lynn Marecek & OpenStax & MaryAnne Anthony-Smith
Algebra and Trigonometry
Jay P. Abramson & Valeree Falduto & Rachael Gross (Mathematics teacher) & David Lippman & Rick Norwood & Melonie Rasmussen & Nicholas Belloit & Jean-Marie Magnier & Harold Whipple & Christina Fernandez