Steel armory roofs

Tyrrell, H.G. | Engineering Index Backfile | 1901

Steel for hangar roofs

Snodgrass, R.D. | Engineering Index Backfile | 1929

Ridged steel arch roofs

Gray, R. | Engineering Index Backfile | 1950

Green Roofs and Garden Roofs

Rowe, D. Bradley / Getter, Kristin L. | Wiley | 2010

Light-steel double dome roofs auditorium

Engineering Index Backfile | 1956