found: The music of India, 1921:t.p. (Herbert A. Popley; B.A.; National Council of Young Men's Christian Associations of India, Burma and Ceylon)
found: Cir̲uvarkaḷin̲ man̲a nūl, 1947:t.p. (H.A. Pāpli)
found: Car̲camaya viḷakkam, 1915:t.p. (Rev. H.A. Popley)
found: Wikipedia, viewed 26 Feb. 2020(Herbert Arthur Popley was a Christian missionary of London Mission, Erode, known for his literary work as a translator of the Tirukkural and his skill in rendering Tamil Christian music in the Carnatic style. He was secretary of the All-India Y.M.C.A. At the time of his death, he was president of the local Y.M.C.A. and a director of the Coonoor Co-operative Urban Bank Ltd. He died in Coonoor on 9 May 1960 at the age of 81.)