(en) Detlev Blanke, « How not to reinvent the wheel...The essentialscholarly litterature in Interlinguistics », Interdisciplinary Description of Complex Systems, , p. 200-215 (ISSN1334-4684)
(en) Detlev Blanke, « How not to Reinvent the Wheel... The essential Scholarly Litterature in Interlinguistics and Esperantology », Interdisciplinary Description of Complex Systems Scientific Journal, , p. 203 (ISSN1334-4684)
kotava.org
Kotapedia, l'encyclopédie linguistique en kotava sur kotava.org