22. Esperanto and its rivals [electronic resource] : the struggle for an international language / Roberto Garvia. Garvía, Roberto [Browse] Philadelphia : University of Pennsylvania Press, [2015]. Book Online JSTOR DDA Bookmark
23. The Nixon esperanto vocabulary : English-Esperanto, Esperanto-English / Society of British Esperantist Teachers. Society of British Esperantist Teachers [Browse] London : The Society, 1967. Book ReCAP - Remote Storage » 1231.31.100 Bookmark
24. Esperanto handy pocket vocabulary; English-Esperanto and Esperanto-English. Compiled by J. C. O'Connor. O'Connor, J. C. (John Charles), 1853-1928 [Browse] New York, London [etc.] Fleming H. Revell comapny [c1903] Book ReCAP - Remote Storage » 1231.31.16.5 Bookmark
25. Esperanto for the English. Franks, A. [Browse] London, Milner & Co., Ltd., 1908. Book ReCAP - Remote Storage » KD 23895ReCAP - Remote Storage » KD 21848 Bookmark
26. The Esperanto-English dictionary. Millidge, Edward A. [Browse] Rickmansworth, Eng., Esperanto Pub. Co. [1956] Book ReCAP - Remote Storage » 1231.31.74 Bookmark
27. The American Esperanto book; a compendium of the international language Esperanto, comp. and ed. by Arthur Baker. Baker, Arthur [Browse] Chicago, C.H. Kerr & company, 1907. Book ReCAP - Remote Storage » 1231.31.17 Bookmark
28. The grammar of Esperanto : a corpus-based description / Christopher Gledhill. Gledhill, Christopher J. [Browse] München : Lincom Europa, 1998. Book ReCAP - Remote Storage » PM8211 .G54 1998 Bookmark
29. Esperanto, the world interlanguage, comp. by George Alan Connor [and others] Connor, George Alan [Browse] New York, Beechurst Press [1948] Book ReCAP - Remote Storage » 1231.31.60 Bookmark
30. La ondo de Esperanto. Moscow : Ondo de Esperanto, 1909-1917. Journal ReCAP - Remote Storage » RAXA (La ondo de Esperanto.) Jaro 5-9, no. 1-99 (Jan. 1913-Mar. 1917) Bookmark