A supplement to and partial revision of B-P-H (1968), this book contains over 25,000 title entries arranged alphabetically by title and is designed as a key to entries in both volumes. It features citation abbreviations for all titles, improved cross-referencing and an expanded thesaurus of title words and their abbreviation equivalents. The supplement includes periodicals dealing with biotechnology, molecular biology, environmental studies and conservation.

A collection of 14 discussions of the past and present literature about soil science. The topics include a historical survey, bibliometrics, introduction into developing countries, societies and their publishing influence, information systems, core monographs, primary journals, maps, and other aspec

The World Guide to Special Libraries lists about 35,000 libraries world wide categorized by more than 800 key words - including libraries of departments, institutes, hospitals, schools, companies, administrative bodies, foundations, associations and religious communities. It provides complete details of the libraries and their holdings, and alphabetical indexes of subjects and institutions.