This addendum of 129 annotated references was prepared to supplement and update the initial edition in 1962. It is designed to aid air-conditioning engineers, architects, and others in finding authoritative information on environmental engineering of fallout, protective and survival shelters* The reports and papers cited are listed in 9 categories, -with cross references. The sources and prices of copies are usually included.

Attention of the reader is directed to the references available at the New York Public Library and the New York Academy of Medicine Library.