Doctrina Christiana : National Treasure, World Treasure /
John N. Crossley.
- UP, Diliman, Quezon City, Metro Manila, Philippines ; The Philippine National Historical Society, Inc. , January-December 2016.
- volume 62, pages 135-161 : illustration ; 24cm.
The Journal of History, Vol. 62, Pages 135-161, January-December, 2016