Creator
- Conkling-Armstrong Terra Cotta Co.1
- Cook & Blount1
- Corning Terra Cotta Co1
- Crane, C. Howard (Charles Howard), 1885-19521
- Cross & Cross1
- D.H. Burnham & Co.1
- Delano & Aldrich1
- Dennison & Hirons1
- Dorrence Terra Cotta Co1
- Doulton Terra Cotta Co1
- Eggers & Higgins1
- Esenwein & Johnson (Firm)1
- Fanning, William T1
- Farrar & Watmough1
- Federal Terra Cotta Co.1
- Fichter & Brooker1
- Fischer, Sigurd, 1887-19811
- Foote, L. B. (Lewis Benjamin), 1873-19571
- Fowler, Ambrose1
- Francis H. Bacon Company1