Given your query for (a posthumously attributed work by Henry Miller) in Italian PDF format, the most appropriate feature to look for in a search engine, library catalog, or file-sharing site is:
However, since this is a specific erotic novel that may not be widely available in legal public domain repositories, here are the proper search features and strategies to refine your results: Use the filetype: operator combined with quotes and the language keyword: opus pistorum pdf italiano
If you cannot find a PDF, the to request on a forum like Libgen Forum or r/Libri (Italian book subreddit) is: "Does anyone have a filetype:pdf of Opus Pistorum in lingua italiana ? Will accept EPUB or MOBI as well." Would you like help finding a legal purchase link or an interlibrary loan feature instead? Given your query for (a posthumously attributed work
filetype:pdf "Opus Pistorum" "italiano" Or, to catch variations (e.g., "edizione italiana", "traduzione italiana"): or file-sharing site is: However