Corpora: Context-free grammar available?

[Alexander Gelbukh]

Dear colleagues,

Where can I find a real-world-size context free grammar for any of the
following languages:

English
Spanish
Russian
(French)
(German)

for free (in Internet?) or for a reasonable fee?

Thank you!
Alexander

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Prof. Dr. Alexander Gelbukh (Alexandre Guelboukh Kahn),
Professor and researcher, head of NLP Lab.
Lab. de Lenguaje Natural, Centro de Investigacion en Computacion,
IPN, Av. Juan Dios Batiz s/n esq. Mendizabal, UP Adolfo L. Mateos,
Col. Zacatenco CP 07738, Mexico DF., Mexico
Office: (+52) 5729-6000 ext. 56544, 56518, 56602.
Fax and Voice (answering machine): +1 (520) 441-1817 (personal).
Shared fax: (+52) 5586-2936. Home: (+52) 5597-0709.
gelbukh at earthling.net, gelbukh at cic.ipn.mx, www.cic.ipn.mx/~gelbukh
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