Ancient Riddles - Five traditional riddles with hints and answers. www.telacommunications.com/misc/riddles.htm
Grecian Riddle-Jokes - Article by Evangelos Gr. Avdikos on riddle-jokes, which use word patching for parodying social situations. haldjas.folklore.ee/folklore/vol10/minorf.htm
Greek Spider: Riddles - Handful of riddles, including the famous riddle of the Sphynx. www.greekspider.com/riddle_or_rhyme
Mambila Riddle Machine - Interactive introduction to riddles collected in the village of Somié, Cameroon. www.era.anthropology.ac.uk/Era_Resources/Era/Riddles
Riddles - A set of classic riddles, most with an answer. ladybug.xs4all.nl/arlet/puzzles/riddles.html
Sexual Riddles: The Test of The Listener - Article by Annikki Kaivola-Bregenhøj discussing the history and context of sexual riddles. cc.joensuu.fi/~loristi/1_97/kai197.html
Swahili Riddles - Small collection of riddles and their answers. www.mwambao.com/riddles.htm