Kavacham

Shasti

https://en.wikipedia.org/wiki/Kanda_Shasti_Kavasam

http://www.hindupedia.com/en/Skanda_Sashti_Kavacham

http://www.youtube.com/results?search_query=Kanda+Sashti+Kavasam 

Guru

https://www.youtube.com/results?search_query=Kandha+Guru+Kavasam

http://www.skandagurunatha.org/works/skanda-guru-kavasam/skanda-guru-kavasam.pdf

http://www.hindupedia.com/en/Kanda_Guru_Kavacham_of_Santhananda_Swamigal_(Tamil)

Shanmukha
http://www.hindupedia.com/en/Shanmuga_Kavacham
http://www.skandagurunatha.org/works/shanmuga-kavasam/
https://www.youtube.com/results?search_query=Shanmuga+Kavasam

Subramanya
http://www.hindupedia.com/en/Subrahmanya_Kavacham
http://www.hindupedia.com/en/Subrahmanya_Kavacham
https://www.youtube.com/results?search_query=Subrahmanya+Kavacham

Author's
https://en.wikipedia.org/wiki/Devaraya_Swamigal
https://en.wikipedia.org/wiki/Santhananda
https://en.wikipedia.org/wiki/Pamban_Swamigal
https://freeglobaluniversity.blogspot.com/search/label/Vishwa