https://www.biosafety.msstate.edu/biosafety/pathogensafety/

Pathogen Safety Data Sheets

Pathogen Safety Data Sheets (PSDS) for human pathogens:

http://www.phac-aspc.gc.ca/lab-bio/res/psds-ftss/index-eng.php

The BMBL has agent summary sheets on a select number of pathogens and toxins.

http://www.cdc.gov/biosafety/publications/bmbl5/index.htm

Information about some animal pathogens (courtesy of Iowa State University):

http://www.cfsph.iastate.edu/DiseaseInfo/index.php

The World Organization for Animal Health (OIE) has animal pathogen summary sheets:

http://www.oie.int/en/for-the-media/animal-diseases/animal-disease-information-summaries/