Hanuman Chalisa
It has been authored by 16th-century poet Tulsidas in the Awadhi language , and is his best known text apart from the "Ramcharitmanas" . 
<triplet> Tulsidas <subj> Ramcharitmanas <obj> notable work <triplet> Ramcharitmanas <subj> Tulsidas <obj> author <subj> Awadhi language <obj> language of work or name