Hahaha:

Iṅglaṇḍīyabhāṣāvyākaraṇam [‍इङ्ग्लण्डीयभाषाव्याकरणम्]: Elements of English grammar, in Sanskrit and English by James Ballantyne (1847)

is a book on English grammar, written in Sanskrit, with sections like "प्रोनौन् इत्यर्थात् सर्वनाम"‍.

Should make for interesting reading sometime. :-)

http://www.europeana.eu/portal/record/9200143/BibliographicResource_2000069430039.html
Read it online (or download) here: http://books.google.co.in/books?id=AsAIAAAAQAAJ&printsec=frontcover#v=onepage&q&f=false
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