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Library of Congress Classification Outline
Biology Subclass: QH, QK, QL, QM, QP, QR
QH: Natural History (General) & Biology
QK: Botany
QL: Zoology
QM: Human Anatomy
QP: Physiology
QR: Microbiology
Subclass QH
QH1-278.5
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Natural history (General) General Including nature conservation, geographical distribution Microscopy |
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QH301-705.5 QH359-425 QH501-531 QH540-549.5 QH573-671 QH705-705.5 |
Biology (General) Evolution Ecology Economic biology |
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Subclass QK |
|
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QK1-989 QK1-474.5
QK474.8-495 QK494-494.5 QK495 QK504-(638) QK640-(707) QK710-899 QK900-989 |
General Including geographical distribution
Gymnosperms Angiosperms Cryptogams Plant anatomy Plant physiology Plant ecology |
| Subclass QL | |
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QL1-991 QL1-355
QL360-599.82 QL461-599.82 QL605-739.8 QL614-639.8 QL640-669.3 QL671-699 QL671-699 QL671-699 QL671-699 QL799-799.5 QL801-950.9 QL951-991 |
General Including geographicaldistribution Invertebrates Insects Chordates. Vertebrates Fishes Reptiles and amphibians Birds Mammals Animal behavior Stories and anecdotes Morphology Anatomy Embryology |
| Subclass QM | |
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QM1-695 QM1-511 QM531-549 QM550-577.8 QM601-695 |
General Regional anatomy Human and comparative histology Human embryology |
| Subclass QP | |
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QP1-(981) QP1-345
QP501-801 QP(901)-(981) |
General Including influence of the Neurophysiology and neuropsychology Animal biochemistry Experimental pharmacology |
| Subclass QR | |
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QR1-502 QR1-74.5 QR75-99.5 QR99.6-99.8 QR100-130 QR171 QR180-189.5 QR355-502 |
General Bacteria Cyanobacteria Microbial ecology Microorganisms in the animal body Immunology Virology |
Aquatic Photosynthesis by 
Bacteria in Biology, Biotechnology, and Medicine by 
Bacterial Stress Responses by 
Food Microbiology: an introduction by 
Investigating Biology by 
MCAT/GRE Kaplan Biology Test Preparation Guide for Biology by 
PCR Cloning Protocols by 
Practical Enzymology by 
Protein Adaptation in Extremophiles by 
Structure and Function of Plants by 
