Boeken of blokken blanco papier die worden gebruikt of zijn bedoeld om op te schetsen. (AAT-Ned) https://data.cultureelerfgoed.nl/term/id/cht/065ff3dd-1ae1-441f-b8fb-7443fa2630b7

Books with blank pages used for assembling and presenting a collection, or any unpublished sets of pages that are bound or loose-leaf and have other materials affixed to them or writing or other images made on them. The volume may have been constructed with blank pages that were intended to have materials affixed, or it may have been assembled after having had materials affixed to separate pages. (Project Fotografie) https://data.cultureelerfgoed.nl/term/id/cht/73e33095-9a78-4f9b-90b0-ca935d693e15

Tweedimensionaal beeldend werk, waarbij de voorstelling, voornamelijk in lijnen, direct op de drager is getekend, met potlood, tekenstift, krijt, houtskool, pen, penseel of ander materiaal. (Religieus Erfgoedthesaurus) https://data.cultureelerfgoed.nl/term/id/cht/eb9e1e5b-b319-4519-a4f5-0dd26dbf4524