Key to and Primer of Interlingua,= Latin without inflections meant to be used as an international auxiliary language amongst peoples of various mother tongues - Academia pro interlingua; Kegan Paul, Trench, Trubner (London : Kegan Paul, Trench, Trubner, 1931)
"Academia pro interlingua"--P. facing t.p
The "Primer" (vii, 168 p.) has special t.p.: Primo libro de interlingua, sive, Latino sine flexione : destinato quale lingua auxiliare inter populos de differente matre lingua, per plure socio de Academia
Keywords: Interlingua (Latin without inflections) -- Textbooks for English speakers; Interlingua (Latin without inflections) -- Grammar