Observationes grammaticae circa linguam esthonicam : Grammatilisi vaatlusi eesti keelest

A facsimile reprint of Estonian language history; translated and edited by Marju Lepajõe; edited by Jaak Peebo. Series:

Tartu Ülikooli eesti keele õppetooli toimetised = Publications of the Department of Estonian of the University of Tartu  ; vol. 10. 

Parallel text in Latin and Estonian.