Reference
78 sites
https://skepdic.com/
Robert T. Carroll's Skeptic's Dictionary is a landmark reference site featuring 785 alphabetized entries covering strange beliefs, logical fallacies, cognitive biases, pseudoscience, paranormal claims, and dangerous delusions. Established in 1994 and continuously updated for over two decades, it offers definitions, arguments, reader comments, essays, and book reviews making it one of the most comprehensive skeptical inquiry resources on the web.
https://zhongwen.com/
Zhongwen.com offers a comprehensive Chinese-English etymological dictionary focused on traditional Chinese characters, tracing the pictographic and historical origins of each character. Learners of Mandarin and linguistics enthusiasts alike will find it invaluable for understanding how Chinese writing evolved from ancient pictographs through sources like the Shuowen.
http://zeus.atilf.fr/dmf
The DMF 2023 (Dictionnaire du Moyen Français) is a scholarly lexicographic database covering medieval and middle French vocabulary with lemmatization tools for researchers and linguists. Hosted by ATILF (Analyse et Traitement Informatique de la Langue Française), it serves as an authoritative reference for anyone studying the French language from the 9th to the 15th centuries.
https://teachthechildrenwell.com/
Created by educator Elaine M. Doolittle, M.Ed., this carefully curated link directory points elementary students, parents, and teachers to vetted educational websites covering dozens of topics from Ancient Civilizations to Earth Science. With hundreds of organized links spanning subjects like Math, Language Arts, Social Studies, and Science, it serves as a trusted gateway to quality online learning resources for young learners.
http://lucifer.com/~sasha/thinkers.html
Created by Sasha, this curated directory profiles dozens of influential thinkers, scientists, philosophers, and futurists, from Douglas Hofstadter and Stephen Hawking to Terence McKenna and Noam Chomsky, linking to their homepages, books, and related web resources. It began as a personal acknowledgment of intellectual influences and grew into a comprehensive guide to frontier human thought, complete with mailing lists and forums for discussion.
http://dreammoods.com/
Dream Moods is a comprehensive online dream interpretation resource featuring a 6000+ word dictionary organized A to Z, covering hundreds of dream symbols, common dream scenarios, and theoretical frameworks from Freud, Jung, and others. Visitors can explore topics ranging from lucid dreaming and nightmares to recurring and prophetic dreams, making it one of the more thorough free dream reference sites on the early web.
https://onlinebooks.library.upenn.edu/
The Online Books Page, edited by John Mark Ockerbloom and hosted by the University of Pennsylvania, catalogs over 3 million free books available on the web, searchable by author, title, subject, and serial. Notable features include a Celebration of Women Writers, a Read Banned Books section, and prize winners available online, making it an essential reference for anyone seeking freely accessible literature.
http://bowest.com.au/library/theorems.html
A comprehensive reference page from BOWest covering the full range of electrical circuit theorems, including Ohm's Law, Kirchhoff's Laws, Thevenin's and Norton's Theorems, Millman's Theorem, and Star-Delta transformations. Each theorem is presented with clear notation, formulas, and derivations, making it a handy technical reference for students and engineers alike.
https://lexundria.com/j_aj/1.52-1.71/wst
Lexundria presents the complete text of Flavius Josephus's 'Antiquities of the Jews' in William Whiston's English translation, broken into navigable sections for easy reading and cross-referencing. This digitized classical text covers ancient Jewish history from creation through the first century CE, making it an invaluable scholarly resource for students and researchers of ancient history and biblical studies.
https://shadowlibraries.github.io/
Shadow Libraries is a curated directory of pirate library resources, aggregating links to free ebook sources like Anna's Archive, LibGen, Internet Archive, and more. It organizes access methods by type including direct downloads, torrents, IRC channels, Telegram bots, and online reading platforms, making it a handy one-stop reference for free digital book access.