Box 1, Folder 14: Welch examines the biblical quote ""For the things that are seen are temporal, but the things that are not seen are eternal."" He discusses space, time, and causation.
Box 1, Folder 18: Speech given by Welch at the State Agricultural College (now Iowa State) inauguration. Welch discusses the opening of the new institution, the importance of the college's focus on industrial and practical education, and the…
Box 1, Folder 4: Contains both business and personal correspondence from Welch including letters to parents of Iowa State students, friends, and colleagues.
Box 1, Folder 6: Contains remembrances of Welch and Iowa State and correspondence discussing Welch. Correspondents include Louis Pammel and Earle Ross.
Box 1, Folder 5: Contains correspondence about members of Adonijah and Mary Welch's family, correspondence by descendents, obituaries, and brief histories. Correspondents primarily include A. B. Shaw and Winifred Dudley Shaw.
