The Asuri Kalpa a witchcraft practice of the Atharva Veda

This text examines a witchcraft-related practice associated with the Atharva Veda, one of the oldest layers of Indian religious literature. Its significance lies in drawing attention to early South Asian magical and protective rites, and readers will find philological notes, textual analysis, and discussion of ritual context.

H. W. Magoun appears to be an obscure author associated with esoteric or occult literature. I cannot verify enough reliable biographical detail to offer a more specific account.