31. Monthly climatic data for world, sponsored by World Meteorological Organization in cooperation with Environmental Science Services Administration. Bookmark SuDoc number: C 30.50: (v.nos.&nos.)
32. Monthly climatic data for world, sponsored by World Meteorological Organization in cooperation with Environmental Science Services Administration. Bookmark SuDoc number: C 30.50: (v.nos.&nos.)
33. Monthly climatic data for world, sponsored by World Meteorological Organization in cooperation with Weather Bureau. Bookmark SuDoc number: C 30.50: (v.nos.&nos.)
34. Monthly climatic data for world, sponsored by World Meteorological organization in cooperation with Environmental Science Services Administration. Bookmark SuDoc number: C 30.50: (v.nos.&nos.)