"Mythological Studies in the Rigveda," by A. A. Macdonell, from
Journal of the Royal Asiatic Society of Great Britain and Ireland, (Jul., 1893), pp. 419-496 in 79 pdf pages. The article describes the god Trita, and his connections with the celestial steed, and with the Maruts, the Vrtra-slayer, Agni, Varuna, and Soma. A Wikipedia entry (
Arthur Anthony Macdonell) describes the accomplishments of this renowned Sanskrit scholar. Uploaded by Robert Bedrosian.