Gosha-e-Tanhai is a poetical collection ( Shayari Majmua ) penned by Mufti Taqi Usmani, published by various institutions including Maktaba Mariful Quran.

: There are websites dedicated to Persian literature that offer free access to various works. You might find what you're looking for on sites like Ganjoor or similar repositories.

: Your local library or a university library with a Middle Eastern studies department might have access to the piece you're looking for, either in physical form or through digital archives.