found: Work cat: A brief report on archaeological excavation at Kottappuram Fort, 2014.
found: Kerala Tourism website, 13 Sept. 2016:under Kodungallur (Kottappuram Fort: built by the Portuguese in 1523 A.D.; also known as Cranganore Fort)
found: Muziris Heritage Project website, 13 Sept. 2016:historic attractions (Kottappuram Fort, built by the Portuguese in 1523 was referred to popularly as Cranganore Fort and is now known as Kodungallur Fort)
found: Wikipedia, 13 Sept. 2016:under Cranganore Fort (Cranganore Fort, otherwise known as Kodungallur Fort, or Kottapuram [sic] Fort, is situated about 2 km from the town of Kodungallur in the Thrissur District in Kerala, India)