incunabulum -- Dad

in·cu·nab·u·lum  (nky-nby-lm, ng-) n. pl. in·cu·nab·u·la (-l) 1. A book printed before 1501; an incunable. 2. An artifact of an early period. [New Latin incnbulum, from sing. of Latin incnbula, swaddling clothes, cradle : in-, in; see in-2 + cnbula, cradle, infancy (from cnae, cradle; see kei-1 in Indo-European roots).] incu·nabu·lar (-lr) adj.

The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

I think Dad has medical incunabula in his office.