NOTES ON THE EPISODE
Hakīm (alternative transcription Hakeem) indicates a "wise man" or "physician", or in general, a practitioner of herbal medicine, especially of Unani and Islamic medicine (via Wikipedia)
Mullah: a Muslim learned in Islamic theology and sacred law.
Naqchbandi: a major Sunni spiritual order of Sufism. It got its name from Baha-ud-Din Naqshband Bukhari and traces its spiritual lineage to the Islamic prophet Muhammad, through Abu Bakr, who his father-in-law , a companion and successor of Muhammad. Some Naqshbandi masters trace their lineage through Ali,[1] his son-in-law and successor, in keeping with most other Sufis.[2][3]
Gaddi Nasheen The Gaddi looks after the shrine and carries out significant rituals
Maulvi (Mawlawi) is an honorific Islamic religious title given to Muslim religious scholars or Ulema preceding their names, similar to the titles Maulana, Mullah, or Shaykh. Mawlawi generally means highly qualified Islamic scholar.
Dera Ismail Khan: British Cantonment town in KPK Province of Pakistan
ABOUT YASMEEN KHAN & THE LIBRARY OF CONGRESS
https://blogs.loc.gov/law/2011/12/an-interview-with-yasmeen-khan-senior-rare-book-conservator-at-the-library-of-congress/
https://www.loc.gov/
https://www.loc.gov/collections/
https://www.nationalgeographic.com/magazine/2018/05/toolkit-rare-book-conservation-library-of-congress/
ABOUT BOOK & MANUSCRIPT PRESERVATION & CONSERVATION
https://academicmatters.ca/2017/03/books-ready-dustbin-history/
https://www.loc.gov/preservation/about/history/pres-hist.pdf