The Naturalists' directory and almanac (international).
Contributors: Arnett, Ross H.
Edition: 43rd ed., 1979-80 / compiled and edited by Ross H. Arnett, Jr.
Publisher: World Natural History Publications
Published: 1978
Place of publication: Baltimore
Language: eng
Number of pages: 390
Subjects: Scientists -- Directories.; Natural history.; Almanacs, American.
Other titles: The Naturalists' almanac.
Notes: "100th anniversary edition."