Genre: 
Full text: 
Rector potens verax deus qui temperas rerum vices splendore mane instruis et ignibus meridiem | Extingue flammas litium aufer calorem noxium confer salutem corporum veramque pacem cordium | Praesta pater piissime patrique compar unice cum spiritu paraclito regnans per omne saeculum
Fulltext source: 
http://www.preces-latinae.org/thesaurus/Hymni/RectorPotens.html
CAO sources: 
S
CAO: 
8380