The National Geographic Magazine


Book Description

Indexes kept up to date with supplements.







Catalog of Copyright Entries. Third Series


Book Description

Includes Part 1A: Books and Part 1B: Pamphlets, Serials and Contributions to Periodicals




Catalog of Copyright Entries


Book Description




National Geographic


Book Description







Bibliography of North American Geology


Book Description

1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.