Contribute directories and organizations of all types to the county coordinator.

• 1875 Business Directory

• 1912-1913 Business Directory

• 1918-1919 Business Directory

• 1918-1919 County Officers, Banks & Officers, Post Offices

• 1875 Patrons Directory

• Decatur County Farm Directory, 1878

• Decatur County Farm Directory, 1892

• Decatur County Farm Directory, 1937

• Grand River Telephone Directory, 1977

• Lamoni & Davis City Telephone Directory, 1952

• Leon Telephone Directory, 1952 includes Davis City, Garden Grove, Pleasanton & Weldon

• Decatur County Medical Association, 1875

• Medical and Surgical Directory, 1876

• The Blue Book of Optometrists and Opticians - 1914, 1921, 1922

• Post Offices and Post Masters, 1887

• Leon Rural Routes, 1903

• Postal Service Employees, 1907

• County Post Offices

• Century & Heritage Farms

• 1950 State Historical Society of Iowa Membership List

• 1952 State Historical Society of Iowa Membership List

• Decatur County Inventors 1862-2021

• Decatur County Historical Society, Jan 6, 1908
• Decatur County Historical Society, Dec 2, 1909
• Decatur County Medical Society, Jun 11, 1903
• Iowa 4-H Hall of Fame: Inductees from Decatur County

• Officers of the Temple Lodge No. 170, A.F. & A.M., 1893
• Independent Order of Good Templars, 1894
• Masonic Officers, 1894
• Officers, Knights of Phythias, 1894

Grand River:

• Ancient Free and Accepted Masons, Lodge No. 78, 1856

Lamoni:

• Fire Company Organized, 1893
• Star of Bethlehem Sunday School Install Officers, 1905
• Knights of Phythias, Masons & Modern Woodmen, Install New Officers, 1905
• I.O.O.F. & Rebekah;   Odd Fellows Picnic, 1905
• Law and Order League of Lamoni, 1905
• Lamoni Band Organized, 1906

• Ralph A Judson Post, American Legion, 1919

• Owl Club
• Pocahontas Club, 1888
• Royal Arch Masons, Chapter 33, 1878-1890
• Tripolis Commandery Knights Templars, 1903
• Loyal Temperance Legion, 1903
• Leon Rathbone Sisters,1904
• New Century Club, 1904
• Eastern Star, 1904
• Zamona Club, 1905
• Leon Assembly Order of Rainbow for Girls, 1923
• Leon Rotary, 1948
• Leon Professional & Business Women's Club, 1951