User:Wavelength/About Esperanto
- Sonja Elen Kisa (designer of Toki Pona)
- Sonja Elen Kisa: writer, teacher, artist, Esperantisto
- Sonja's English-Esperanto Dictionary
- World Esperanto Association (in Esperanto UEA: Universala Esperanto-Asocio)
- Universala Esperanto-Asocio
- Esperanto-English Glossary "contains the 552 most frequent Esperanto words and morphemes"
- Lexique Espéranto-Français (Esperanto-French Glossary) (in French) "contient les 552 mots et morphèmes (racines) les plus fréquents en espéranto"
- Esperanto-English Glossary "a list of over 650 commonly used Esperanto root words"
- Esperanto keyboard layout for Microsoft Windows — (Qwerty version)
- Informilo por Interlingvistoj (2.23 Constantin Dominte (Bukarest/RO): Phonostatistical Remarks on Esperanto (E); 2.24 Ottó Haszpra (Budapest/HU): Frequency of Letters in Esperanto Texts (E)
- La "Baza Radikaro Oficiala" (BRO) The Official Basic Set of Roots (preamble in Esperanto and list of Esperanto words with English translations)
- Bazaj radikoj Esperanto-Esperanto (Basic Roots, Esperanto-Esperanto)
- PMEG (Plena Manlibro de Esperanta Gramitiko)
- http://www.thepetitionsite.com/1/esperanto-parolantoj-en-la-mondo/