I do not read Romanian, but according to someone who does the introductory material refers to the cookbook as being from three hundred years ago. Since the modern book was published in 1997 that suggests that the original is from the end of the 17th century.
Page 101
Pages 102-103
Pages 104-105
Pages 106-107
Pages 108-109
Pages 110-111
Copies of the book appear to available here.