11R71 · skull as symbol of 'Vanitas'

23R14 · night

24D · stars

25F33(EAGLE) · predatory birds: eagle

25H1121 · mountain-top, peak

31A2511(+925) · arm raised upward (+ being frightened)

31A27411 · releasing something

31F26 · Death as skeleton

34B11(+946) · dog (+ sleeping animal(s))

41A251 · study; 'studiolo'; library

41A422 · hangings and drapery

41A7122 · bookshelves

41B311(+1) · chandelier, candelabrum (+ kindling a light; lit, burning light, lamp, candle)

46C2822 · quadrant, sextant, octant (nautical instruments)

49D456(+5) · other polyhedrons (+ scientific research)

49D5111 · compasses

49E1(+1) · astronomy (and cosmography) (+ scholar, scientist (at work))

49E11 · astronomical instruments

49E121 · star-globe

49E2514 · telescope

49L511 · quill

49L62 · ink-well

49L6411 · notebook

49MM32 · book - MM - book open

56DD1 · Fear, Dread; 'Paura', 'Timidità o Timore', 'Timore' (Ripa)

86(DER ASTRONOM) · proverbs, sayings, etc. (DER ASTRONOM)

86(UM DEM UNGEWITTER ZU ENTWEICHEN, VERSUCHT ER DIE HÖHE ZU ERREICHEN) · proverbs, sayings, etc. (UM DEM UNGEWITTER ZU ENTWEICHEN, VERSUCHT ER DIE HÖHE ZU ERREICHEN)