In 1887, he visited the Monastery of Hemis in Leh, Ladakh, and claimed to see a two-volume biography of Jesus ("Life of Saint Issa, Best of the Sons of Men"). It was published in French in 1894, and translated into a number of other languages.
The "Mount Marbour, near Lassa" (sometimes a monastery) mentioned in the Notovich literature is just a mildly bastardized reading for Marpori (Dmar po ri), 'Red Mountain,' the rocky hillock on which the Potala stands.
John Bray, Nikolai Notovich and the Tibetan Life of Christ, Tibetan Review, vol. 16, no. 5 (1981), pp. 21-22.
Ahmad Shah, Four Years in Tibet, E.J. Lazarus (Benares 1906), in 78 pages. Reprinted by Asian Educational Services (New Delhi 1996). This travel book has a Notovich discussion, finding his work to be a tissue of lies. It surely is.