Series 1. Coachella Valley Date Growers Association 1913-1961, undated.
Invoices, money orders and other financial records from the Coachella Valley Date Growers Association. 1913-1915, undated.
Publications and announcements from the Coachella Valley Date Growers Association regarding the association's dissatisfaction with the performance of the Federal Bureau of Plant Industry. 1916-1925, undated.
Clippings about the Coachella Valley Date Growers Association. 1922,1961, undated.
Correspondence to and from members of the Coachella Valley Date Growers Association. Correspondents include William L. Paul, the first president of the association, and Walter Swingle, a crop physiologist from the Federal Bureau of Plant Industry. 1913-1926, undated.
Photographs depicting a date exhibit and the association's first importation of young date palms from Africa. 1913, undated.
Series 2. Professional papers 1912-1938, undated
Photographs of William L. Paul's date farm. undated.
Manuscripts and notes regarding the promotion of dates and William L. Paul's date growing business. 1913-1916, undated.
Correspondence and typescripts regarding the appraised values of date farm land and date trees. 1916-1928, undated.
Financial statements, receipts, and correspondence from William L. Paul's date business. 1909-1936, undated.
Correspondence and receipts from the charities that William L. Paul supported through donations of his products. Includes thank you notes from childrens' homes and hospitals. 1931-1932, undated.
Correspondence from William L. Paul's date business. 1912-1915, undated.
Correspondence and purchase orders for date trees. 1913-1916, undated.
Correspondence and purchase orders for dates. 1918-1931.
Publications and price lists from William L. Paul's date business. 1932-1938, undated.
Correspondence between customers and William L. Paul regarding dates and his date business. Includes a thank you note from Amelia Earhart. 1913-1938.
Calendar, ribbon (award), and certificate belonging to William L. Paul. 1916-1931, undated.
Clippings about William L. Paul and his date business. 1923, 1933, undated.
Agendas, correspondence, and other material from Riverside County, California. 1913-1916.
Clippings and correspondence about Southern Pacific Railroad. 1917, undated.
Clippings about Helen Randu, a dietician and public speaker. 1934, undated.
Map from the Southern Pacific Railroad Company depicting railroad lines and parcels of land available for sale in Southern California. 1914.
Map of Coachella Valley, California produced by the France Investment Company of Los Angeles, California. 1914.
Series 3. Date industry 1913-1951, undated.
Publications about the date industry, including date farm pamphlets and date growing newsletters. 1916-1951, undated.
Correspondence and receipts from the date exhibit at the Southern California Panama Exposition. 1913-1916, undated.
Correspondence, publications, and other material regarding the United States Department of Agriculture and the date industry. Includes documents from an official complaint filed against the Department of Agriculture by Coachella Valley date growers. 1915-1935, undated.
Correspondence and other material regarding land management in Coachella Valley, California. 1913-1916, undated.
Correspondence and publications from the James H. Northrop date farm in Indio, California. 1915, undated.
Correspondence and publications from the Palm Development Company in Pensacola, Florida. 1915-1916.
Photographs of date trees, date farms, and date exhibits . undated.
Clippings regarding the date industry. Includes stories about the history of the Coachella Valley date culture written by Nina Paul Shumway, William L. Paul's daughter. 1917-1958, undated.
Scrapbook about the date industry (part 1 of 2). Includes clippings, photographs, correspondence, and other material. 1914-1917, undated.
Scrapbook about the date industry (part 2 of 2). Includes clippings, photographs, correspondence, and other material. 1914-1921, undated.