Mary Ellen Snodgrass

Discusses the importance of a clean water supply and how water pollution threatens the lives and health of people, animals, and plants. Readers learn how to contribute to anti-pollution and conservation efforts.

An encyclopedia covering the history of nursing, spanning topics from abortion to World War II.

"In its expanded second edition, this chronology examines the effects of epidemic illness and death on human culture from 2700 BCE to 2017. Entries summarize incidents of contagion across the globe, including symptoms, treatment, prevention and demographics, as well as biographical information on notable people who identified and battled disease"--