Title from cover.
Issued in two yearly vols. of 6 issues each.
Some issues called "Special report," "Special edition" or "Special issue."
Some issues accompanied by supplements.
Also issued on microfilm and microfiche by University Microfilms, and online.
Official journal of: National Geographic Society.
Vols. 91 (1947)-161 (1983). 1 v. (Includes index to the journal under its earlier title); v. 1 (1888)-174 (1988). 1 v. (Includes index to the journal under its earlier title).
Indexes kept up-to-date with supplements.
Latest issue consulted: Vol. 231, no. 1 (Jan. 2017).
Holdings for Columbus Main: 2nd floor circulating magazines (current 6 months); 3rd floor reference magazines (incomplete 1901-present)
BPL: Microfilm Jan. 1971-
BPL: Bound vols. Jan. 1907-