The oldest grammar of Hindustani, written by a German in Dutch, was considered to have been lost by most modern scholars until 1931. This article is the first authentic treatment of that rare grammar since it was translated into Latin approximately two and a half centuries ago.
Bhatia, Tej K.
"The Oldest Grammar of Hindustani,"
Syracuse Scholar (1979-1991): Vol. 4
, Article 10.
Available at: http://surface.syr.edu/suscholar/vol4/iss2/10