25A13 · globe

31D11221(+89) · boy (child between toddler and youth) (+ nude human being)

31D15 · adult woman

41D271 · fluttering lappet of vestment, 'Pneumazipfel'

49D35 · polygon (~ planimetry, geometry)

49D44 · pyramid ~ stereometry

49D51 · drawing (mathematics)

49D5111 · compasses

49E122(+0) · armillary sphere, skeleton celestial globe (+ variant)

49L64 · materials to write on, writing surfaces

49L66 · writing-table, writing-desk

86(MATHEMATICA) · proverbs, sayings, etc. (MATHEMATICA)

86(MATHEMATIQUE) · proverbs, sayings, etc. (MATHEMATIQUE)