Featuring the complete archive of the magazine to the mid-1990s, National Geographic Magazine Archive includes every page and every photograph, available for full text searching, reading, printing, and downloading. Search tools permit filtering by subject and geographic area, word and phrase searching, subject searching and magazine section and image type limiting. A handy Graphing Tool shows the frequency of occurrence for specific words or phrases in National Geographic articles. National Geographic magazine is the official journal of the National Geographic Society, one of the world's largest nonprofit educational and scientific organizations.