Creator
- Carrè€re & Hastings1
- Central Terra Cotta Co1
- Chesapeake Terra Cotta Co1
- Clinton & Russell1
- Columbia University. School of Mines1
- Conkling-Armstrong Terra Cotta Co.1
- Corning Terra Cotta Co1
- Crane, C. Howard (Charles Howard), 1885-19521
- D.H. Burnham & Co.1
- Delano & Aldrich1
- Dennison & Hirons1
- Dorrence Terra Cotta Co1
- Doulton Terra Cotta Co1
- Esenwein & Johnson (Firm)1
- Fanning, William T1
- Federal Terra Cotta Co.1
- Fichter & Brooker1
- Furness, Evans & Co.1
- Gauthier, Henri, -19801
- George B. Post & Sons1