TY  - BOOK
AU  - Beaufront,L.de
TI  - Complete manual of the auxiliary language Ido: grammar, grammatical exercises, key ido-english & english-ido vocabularies 
U1  - 499.992 21
PY  - 1919///
CY  - London
PB  - Isaac Pitman
KW  - Ido (Lengua)
KW  - Gramática comparada y general
KW  - LEMB
KW  - Glosarios, vocabularios, etc
ER  -