This collection (1929-1959, undated) contains materials from the Arnold family including a diary, marriage certificate, college diplomas, letters, and photographs of Iowa State's VEISHEA parade. The majority of the materials document are from Lloyd and include a diary from 1959 recording his time living in Fresno, California, his affiliation with the Certified Alfalfa Seed Council, and his work marketing alfalfa seed for the Arnold-Thomas Seed Service. He describes in detail a trip back to the Midwest (May 29-July 16) in which he meets with representatives from a number of seed dealers, including Pioneer in Des Moines. Throughout the diary he notes meetings with friends and family, daily activities, and events in the news such as the results of sports competitions and the launch of the Soviet's Luna 1 satellite. Other materials include Lloyd’s Master’s degree diploma, photographs of VEISHEA, marriage certificate and wedding photograph. Materials related to Donna include her diploma, two letters from “Jim,” and graduation invitations and program.