bibliotaphist

from The Collaborative International Dictionary of English v.0.48

Bibliotaph \Bib"li*o*taph\, Bibliotaphist \Bib`li*ot"a*phist\,
   n. [Gr. ? book + ? a burial.]
   One who hides away books, as in a tomb. [R.] --Crabb.
   [1913 Webster]