What should you expect from the Moribund Institute's Pure Science Merch Store...
You should expect merchandise based off of the following subjects...
500 Science
500 Natural sciences and mathematics
501 Philosophy and theory
502 Miscellany
503 Dictionaries, encyclopedias, concordances
504 Not assigned or no longer used
505 Serial publications
506 Organizations and management
507 Education, research, related topics
508 Natural history
509 History, geographic treatment, biography
510 Mathematics
510 Mathematics
511 General principles of mathematics
512 Algebra
513 Arithmetic
514 Topology
515 Analysis
516 Geometry
517 Not assigned or no longer used
519 Probabilities and applied mathematics
520 Astronomy
520 Astronomy and allied sciences
522 Techniques, procedures, apparatus, equipment, materials
523 Specific celestial bodies and phenomena
524 Not assigned or no longer used
525 Earth (Astronomical geography)
526 Mathematical geography
528 Ephemerides
529 Chronology
530 Physics
530 Physics
531 Classical mechanics
532 Fluid mechanics
533 Pneumatics (Gas mechanics)
534 Sound and related vibrations
535 Light and related radiation
536 Heat
537 Electricity and electronics
538 Magnetism
539 Modern physics
540 Chemistry
540 Chemistry and allied sciences
542 Techniques, procedures, apparatus, equipment, materials
544 No longer used — formerly "Qualitative analysis"
545 No longer used — formerly "Quantitative analysis"
548 Crystallography
549 Mineralogy
550 Earth sciences and geology
550 Earth sciences
551 Geology, hydrology, meteorology
552 Petrology
553 Economic geology
554 Earth sciences of Europe
555 Earth sciences of Asia
556 Earth sciences of Africa
557 Earth sciences of North America
558 Earth sciences of South America
559 Earth sciences of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, extraterrestrial worlds
560 Fossils and prehistoric life
560 Paleontology
561 Paleobotany, fossil microorganisms
562 Fossil invertebrates
563 Miscellaneous fossil marine and seashore invertebrates
564 Fossil Mollusca and Molluscoidea
565 Fossil Arthropoda
566 Fossil Chordata
567 Fossil cold-blooded vertebrates
568 Fossil Aves (birds)
569 Fossil Mammalia
570 Biology
570 Biology
571 Physiology and related subjects
572 Biochemistry
573 Specific physiological systems in animals, regional histology and physiology in animals
574 Not assigned or no longer used
575 Specific parts of and physiological systems in plants
577 Ecology
578 Natural history of organisms and related subjects
579 Natural history of microorganisms, fungi, algae
580 Plants
580 Plants
581 Specific topics in natural history of plants
582 Plants noted for specific vegetative characteristics and flowers
583 Magnoliopsida (Dicotyledones)
584 Liliopsida (Monocotyledones)
585 Pinophyta (Gymnosperms)
586 Cryptogamia (Seedless plants)
587 Pteridophyta
588 Bryophyta
589 No longer used—formerly Forestry
590 Animals
591 Specific topics in natural history of animals
592 Invertebrates
593 Miscellaneous marine and seashore invertebrates
594 Mollusca and Molluscoidea
595 Arthropoda
596 Chordata
597 Cold-blooded vertebrates
598 Aves (Birds)
599 Mammalia (Mammals)
Wikipedia contributors, "List of Dewey Decimal classes," Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/w/index.php?title=List_of_Dewey_Decimal_classes&oldid=1064914071 (accessed January 31, 2022).