Thomae Bangii ... Observationum Philologicarum libri duo ... / 
Jersin, Jens Dinesen, Bishop of Ribe.
Bangio, Thoma.
Hauniae :  Typis & sumptibus S. Sartorii, 
1640.
Each index has a separate titlepage, with the date 1638.
The colophon bears the date 1639.