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Q1-295 General (28)
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QA101-(145) Elementary mathematics. Arithmetic (24)
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QB Astronomy (5)
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QC Physics (307)
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QD Chemistry (621)
QE1-350.62 General Including geographical divisions (101)
QE1-996.5 Geology (179)
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QE500-639.5 Dynamic and structural geology (42)
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QE Geology (422)
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QK1-989 Botany (598)
QK474.8-495 Spermatophyta. Phanerogams (100)
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QK640-(707) Plant anatomy (24)
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QK Botany (1102)
QL1-355 General Including geographical distribution (42)
QL1-991 Zoology (582)
QL360-599.82 Invertebrates (218)
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QL605-739.8 Chordates. Vertebrates (294)
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QL671-699 Birds (23)
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QL750-795 Animal behavior (20)
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QL Zoology (833)
QM1-511 General (4)
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QM Human anatomy (28)
QP1-345 General Including influence of the environment (18)
QP1-(981) Physiology (99)
QP351-495 Neurophysiology and neuropsychology (5)
QP501-801 Animal biochemistry (65)
QP(901)-(981) Experimental pharmacology (1)
QP Physiology (152)
QR100-130 Microbial ecology (15)
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QR171 Microorganisms in the animal body (6)
QR1-74.5 General (20)
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QR Microbiology (315)
Q Science (5707)
Q Science (General) (636)