3 literature references for Cuculus saturatus horsfieldi Moore, 1858:

Author:
Year: 1996
Title:
Source: database, NODC Taxonomic Code
Author: Dickinson, Edward C., ed.
Year: 2003
Title:
Source: The Howard and Moore Complete Checklist of the Birds of the World, 3rd edition
Author:
Year: 2006
Title:
Source: website, Zoonomen - Zoological Nomenclature Resource, 2006.04.08