Columbia subject headings:
Food--Microbiology--Handbooks, manuals, etc.
Microbial ecology--Handbooks, manuals, etc.
Microbial growth--Handbooks, manuals, etc.
Pathogenic bacteria--Handbooks, manuals, etc.
Rickettsia--Handbooks, manuals, etc.
Harvard subject headings:
Food--Microbiology--Handbooks, manuals, etc.
Microbial ecology--Handbooks, manuals, etc.
Microbial growth--Handbooks, manuals, etc.
Pathogenic bacteria--Handbooks, manuals, etc.
Rickettsias--Handbooks, manuals, etc.
Princeton subject headings: