41. Esperanto - Lingua Franca and Language Community. Fiedler, Sabine [Browse] Amsterdam/Philadelphia : John Benjamins Publishing Company, 2022.©2022. Book Online DOAB Directory of Open Access Books Bookmark
42. Fundamenta krestomatio de la lingvo esperanto / de Do L. L. Zamenhof. Zamenhof, L. L. (Ludwik Lazar), 1859-1917 [Browse] Paris : Hachette, 1909. Book Loading...ReCAP - Remote Storage » PM8285.Z36 F86 1909 Bookmark
43. Esperanto Self-Taught with Phonetic Pronunciation Mann, William W. [Browse] Project Gutenberg Book Online Project Gutenberg Online Catalog Bookmark
44. Esperanto – Lingua Franca and Language Community Fiedler, Sabine [Browse] John Benjamins Publishing Company 2022 Book Online Walter De Gruyter: Open Access eBooks Bookmark
45. Unua lernolibro de Esperanto por Japanoj 日本エスペラント協会金沢支部 Book Online National Diet Library Digital Collections: Internet Access (国立国会図書館デジタルコレクション 図書 インターネット公開) Bookmark
46. Lexikon hellēno-esperantikon kai esperanto-hellēnikon / hypo Anakreontos A. Stamatiadou. Stamatiadēs, Anakreōn A. [Browse] Thessalonikē : Ekdoseis Kyriakidē-Phōtiadē, 1976. Book ReCAP - Remote Storage » PA1139.E7 S72 1976x Bookmark
47. Étude sur la dérivation en esperanto, dédiée à MM. les membres du comité de ls Délégation pour l'adoption d'une langue auxiliarie internationale, par Louis Couturat ... Couturat, Louis, 1868-1914 [Browse] Coulommiers, Impr. P. Brodard, 1907. Book ReCAP - Remote Storage » 1231.32.130 Bookmark
48. Esperanto, een taal om van te houden / door Wim Jansen. Jansen, Wim [Browse] Amsterdam : Vossiuspers UvA/Amsterdam University Press, 2009. Book Online Ebook Central Perpetual, DDA and Subscription Titles Bookmark
49. The International Auxiliary Language Esperanto: Grammar & Commentary Cox, George 1838-1909 [Browse] Project Gutenberg Book Online Project Gutenberg Online Catalog Bookmark
50. Esperanto: Hearings before the Committee on Education Christen, A. [Browse] Project Gutenberg Book Bookmark