Title from cover.
Issued also online.
Official journal of: the National Geographic Society.
Vols. 91 (1947)-161 (1983). 1 v. (Includes index to the journal under its earlier title); Vols. 1 (1888)-174 (1988). 1 v. (Includes index to the journal under its earlier title)
Indexes kept up-to-date with supplements.