- Alexander Lippisch
- American Statistical Association
- Christian Petersen
- Civil War Diaries
- Cookbooks
- CYbrary: ISU Digital Archives
- Descartes Pascal
- Fashion Plates
- George Washington Carver
- John Vincent Atanasoff
- Kitchen-Klatter
- Philip H. Elwood Films
- Seed Catalogs
- Warren H. Manning
- Iowa Heritage Digital Collection