A General Chemistry Textmap constructed to supplement Nivaldo Tro's textbook Chemistry: A Molecular Approach. Available online at https://chem.libretexts.org/Bookshelves/General_Chemistry/Map%3A_A_Molecular_Approach_(Tro).
A collection of writings on childhood and adolescence assembled by Kate Snyder. Available online at https://nobaproject.com/textbooks/kate-snyder-new-textbook.
A compiled reader in Libre Texts. Originally compiled at https://bio.libretexts.org/Courses/Hanover_College/Comparative_Anatomy_and_Physiology_of_Animals.
A selection of readings assembled for Noba by Julie Reese. Available online at https://nobaproject.com/textbooks/new-textbook-6af59ac0-4729-47d4-af57-f2e591379bb6.
The Open Logic Project is a collection of teaching materials on mathematical logic aimed at a non-mathematical audience, intended for use in advanced logic courses as taught in many philosophy departments. This document...
An extensive virtual textbook with grouped links to concepts in organic chemistry. Available online at https://www2.chemistry.msu.edu/faculty/reusch/virttxtjml/intro1.htm.