Iowa - Architect - Proudfoot & Bird
| Algona Junior and Senior High School Building and High School Building Annex |
| Alumni Hall |
| Apperson-Iowa Motor Car Company Building |
| Bergman, August H., House |
| Bryn Mawr Apartments |
| Chamberlain, D.S., Building |
| Champlin Memorial Masonic Temple |
| Colonials Club House |
| Dallas County Courthouse |
| Des Moines Building |
| Des Moines Fire Department Headquarters-Fire Station No. 1 and Shop Building |
| First Methodist Episcopal Church |
| Greene County Courthouse |
| Hawkeye Insurance Company Building |
| Herman, John H., House |
| Herring Motor Car Company Building |
| Hofmann Building |
| Hotel Fort Des Moines |
| Hotel Ottumwa |
| Hubbell Building |
| Hubbell Warehouse |
| Iowa Commission for the Blind Building |
| Jasper County Courthouse |
| Liberty Building |
| Masonic Temple of Des Moines |
| Mattes, Minnie Y. and Frank P., House |
| National Biscuit Company Building |
| Norman Apartment Building |
| Northwestern Hotel |
| Pocahontas County Courthouse |
| Polk County Courthouse |
| Seven Oaks |
| Smouse, David W., Opportunity School |
| St. Paul's Episcopal Church |
| Studebaker Corporation Branch Office Building |
| Teachout Building |
| Trinity Methodist Episcopal Church |
| Warfield, Pratt and Howell Company Warehouse |
Data from United States Park Service and Wikidata
