Un Bibliographia Parve de Libros pro Apprender Interlingua Concise English-Interlingua dictionary, Gopsill, F. P. & Sexton, B. C. (Sheffield: British Interlingua Society, 1987) Concise Interlingua-English dictionary, Gopsill, F. P. (Beekbergen/Nederlands: Servicio de Libros, 1980) Discussiones de Interlingua, Gode, A. (Beekbergen/Nederlands: 1983, 2ed) Grammatica de Interlingua, Wilgenhof, K. (Odense: 1973) Interlingua, a grammar of the international language, Gode, Alexander & Blair, Hugh E. (New York: Storm, 1951, 1971) Interlingua a prime vista, Gode, Alexander, (New York: 1971, 3ed) Interlingua Course for Beginners, Gopsill, F. P. (Sheffield: British Interlingua Society, 1987) Interlingua, die Welthilfssprache, Berger, Ric (Morges: 1972) Interlingua - English, a dictionary of the international language, Gode, Alexander et al. (New York: Ungar, 1951) Interlingua Today: A Course for Beginners, Gopsill, F. P. (Sheffield: British Interlingua Society, 1994) Interlinguistica e Interlingua: Discursos public; Stenstrom, I. & Yeager, L. B. (Beekbergen: U.M.I. 1991) International Languages: a matter for interlingua, Gopsill, F. P. (Sheffield: British Interlingua Society, 1989) Supplementary Interlingua-English dictionary, Sexton, Brian C. (Sheffield: British Interlingua Society, 1991) Svensk - Interlingua ordbok med kort grammatik, Nordin, John (Stockholm: Norstedt, 1965) Un breve grammatica de Interlingua pro lectores, Gode, Alexander (New York: Storm, 1951) Vocabulos supplementari pro usatores de Interlingua, Berggen, E. (Stockholm: 1974) Woerterbuch Deutsch-Interlingua, Schild, A. & Ruhrig, H. E. (Beekbergen: U.M.I., 1992)