NFPA 80 Standard for Fire Doors and Other Opening ProtectivesNational Fire Protection Association (NFPA), Kristin C. Bigda · First published 2018Open the Tome
NFPA 1 Fire CodeNational Fire Protection Association, Kristin C. Bigda · First published 2017Open the Tome
NFPA 1 Fire Code HandbookKristin Bigda, National Fire Protection Association · First published 2007Open the Tome
