QR Microbiology
- 1-502..............Microbiology
- 1-74.5............General
- 75-99.5...........Bacteria
- 99.6-99.8.........Cyanobacteria
- 100-130...........Microbial ecology
- 171...............Microorganisms in the animal body
- 180-198.5.........Immunology
- 355-502...........Virology
Read more about this topic: Library Of Congress Classification:Class Q -- Science