QRYC5 Theosophy & Anthroposophy QRYM Contemporary non-Christian & para-Christian cults & sects (Class here: Scientology, apocalyptic cults, etc) QRYM2 Spiritualism QRYX Occult studies (Use for serious & academic works only) (See also: VXW: & occult interests” and following) “Mysticism, QRYX2 alchemy & hermetic thought QRYX5 Witchcraft QRYX9 Satanism & demonology R Sciences, Geography, Environment, Planning Earth sciences RB (Use RB* codes for academic, specialist and professional level works; prefer WN* codes for natural history etc for the general reader) (See also: RGB: geography & topography” and following) “Physical RBC Volcanology & seismology RBG Geology & the lithosphere (See also: PHVG: “Geophysics”) Soil science, sedimentology RBGB (See also: TNCC: & rock mechanics”) “Soil RBGD Geological surface processes (geomorphology) here: erosion, glaciology) RBGF Historical geology (Class here: plate tectonics, continental drift) RBGG Petrology Stratigraphy RBGH RBGK Geochemistry (See also: PNV: & gems”) “Mineralogy RBGL Economic geology here: petroleum & mining geology) Hydrology & the hydrosphere RBK (See also: PSP: “Hydrobiology”) RBKC Oceanography (seas) (See also: PSPM: biology”) “Marine RBKF Limnology (freshwater) (See also: PSPF: biology”) “Freshwater RBP Meteorology & climatology (See also: WNWM: general interest”) “Weather: RBX Palaeontology RG Geography (With RG* codes, assign also GEOGRAPHICAL Qualifiers as appropriate) RGB Physical geography & topography Arid zones, deserts RGBA RGBC Plains & grasslands RGBC1 Prairies RGBC2 Savanna
QRYC5 Theosophy & Anthroposophy QRYM Contemporary non-Christian & para-Christian cults & sects (Class here: Scientology, apocalyptic cults, etc) QRYM2 Spiritualism QRYX Occult studies (Use for serious & academic works only) (See also: VXW: “Mysticism, & occult interests” and following) QRYX2 alchemy & hermetic thought QRYX5 Witchcraft QRYX9 Satanism & demonology R Sciences, Geography, Environment, Planning RB Earth sciences (Use RB* codes for academic, specialist and professional level works; prefer WN* codes for natural history etc for the general reader) (See also: RGB: “Physical geography & topography” and following) RBC Volcanology & seismology RBG Geology & the lithosphere (See also: PHVG: “Geophysics”) RBGB Soil science, sedimentology (See also: TNCC: “Soil & rock mechanics”) RBGD Geological surface processes (geomorphology) here: erosion, glaciology) RBGF Historical geology (Class here: plate tectonics, continental drift) RBGG Petrology RBGH Stratigraphy RBGK Geochemistry (See also: PNV: “Mineralogy & gems”) RBGL Economic geology here: petroleum & mining geology) RBK Hydrology & the hydrosphere (See also: PSP: “Hydrobiology”) RBKC Oceanography (seas) (See also: PSPM: “Marine biology”) RBKF Limnology (freshwater) (See also: PSPF: “Freshwater biology”) RBP Meteorology & climatology (See also: WNWM: “Weather: general interest”) RBX Palaeontology RG Geography (With RG* codes, assign also GEOGRAPHICAL Qualifiers as appropriate) RGB Physical geography & topography RGBA Arid zones, deserts RGBC Plains & grasslands RGBC1 Prairies RGBC2 Savanna