This bulletin lists approximately 12,500 of the 17,500 or more publications of the State experiment stations (including those of Alaska and the insular possessions) from 1875 to 1920, inclusive.

Set includes revised editions of some issues.

The world's most comprehensive, well documented, and well illustrated book on this subject. With extensive subject and geographical index. 362 photographs and illustrations. Free of charge in digital PDF format on Google Books

Collection of the monthly climatological reports of the United States by state or region, with monthly and annual national summaries.