Laredo College Libraries uses the Library of Congress (LC) Classification System to organize items in their collection.
Subclass QH
QH1-278.5 Natural history (General)
QH1-(199.5) General Including nature conservation, geographical distribution
QH201-278.5 Microscopy
QH301-705.5 Biology (General)
QH359-425 Evolution
QH426-470 Genetics
QH471-489 Reproduction
QH501-531 Life
QH540-549.5 Ecology
QH573-671 Cytology
QH705-705.5 Economic biology
QR1-502 Microbiology
QR1-74.5 General
QR75-99.5 Bacteria
QR99.6-99.8 Cyanobacteria
QR100-130 Microbial ecology
QR171 Microorganisms in the animal body
QR180-189.5 Immunology
QR355-502 Virology