HOBBS, RUSSELL DRAKE.
Classification of buildings, A-B buildings, page A.1.A-B. (Analytic system handbook on fire protection) NM: additions & revisions.
HOBBS, RUSSELL DRAKE. Classification of buildings, A-B buildings, page A.1.A-B. (Analytic system handbook on fire protection) NM: additions & revisions. © 14Jul41; AA371570-371571. Western Actuarial Bureau (PWH); 17Apr69; R459921-459922.
Western Actuarial Bureau|PWH