03intheothersections] 15thand16thcenturies 17thcentury 18thcentury 2003b-530 709 animation architecture art artappreciation artificiallanguages career computerscience consumerguides crafts design doodles drawing enlightenment fiction games general generalandmiscellaneousspecifictopics generalinterests geometry{foralgebraicgeometry graphicarts/communications/design hallucinations hallucinationsandillusions handicraft hispanicamerican historical(mustalsobeassignedatleastoneclassificationnumberfromsection01) history historyandbiography[seealsotheclassificationnumber historyofmathematicsandmathematicians hobbies humanities instrumentation juvenilefiction juvenileliterature language lifeonotherplanets linguists literaryrecreations magic magictricks mathematicalrecreations mathematicsandarchitecture mathematicsandvisualarts medicineinthearts miming miscellanea modern motives neurosciences obliqueprojection opticalillusionsinart pencildrawing perception personal perspective photicstimulation physiologicaleffect pictorialworks plot-your-ownstories practicalguides professional programminglanguages(jr/sr) psychoanalysisandart psychologicalaspects puzzles reference renaissance scar6005 scar6019 scar6060 scar6070 schools science sciencefiction scientificliterature scientificrecreations see14-xx} specimens spiritualdirection stereograms stroboscopes studyandteaching teachers technique theatre themes theoryoftriples trade trompel'oeilpainting underwaterexploration upside-downbooks video vision visualization visualperception wb057 wb058 wb074 wb075 womenlinguists womenpoets ww105g312c2002 wz330s779a1994