The present article focuses on two main topics. Firstly, it provides a general overview of Edward W. West’s travels in India, based on an investigation of unpublished documents preserved in London archives. It emerges that there may have been at least four such periods of residence, during which West developed his scientific interests. One of the main objectives of this investigation was to identify traces relating to the manuscripts of the Zoroastrian polemical treatise Škand Gumānīg Wizār. Secondly, it sheds light on the broader context of the first critical edition of the aforementioned treatise, co-authored by West and Dastur Hoshangji JamaspAsana, and published in 1887. The second part raises questions about the complete manuscripts of this treatise, which appear to have been lost. Particular attention is given to AK2.