Disaster Lit: Database for Disaster Medicine and Public Health is the National Library of Medicine (NLM) database of links to disaster medicine and public health documents available on the Internet at no cost. Documents include expert guidelines, research reports, conference proceedings, training classes, fact sheets, websites, databases, and similar materials for a professional audience. NLM selects materials from over 1,400 non-commercial publishing sources and supplements disaster-related resources from PubMed (biomedical journal literature) and MedlinePlus (health information for the public).