1. American Society of Civil Engineers (ASCE). 2010. 7-10 Minimum Design Loads for Buildings and Other Structures.
2. ASCE. 1988. 7-88 Minimum Design Loads for Buildings and Other Structures.
3. American National Standard Institute (ANSI). 1972. ANSI A58 Minimum Design Loads for Buildings.
4. Federal Emergency Management Agency (FEMA). 2013. FEMA P-957 Snow Load Safety Guide. https://www.fema.gov/media-library/assets/documents/83501.
5. National Oceanic and Atmospheric Administration (NOAA). 2015a. National Climatic Data Center Local Climatological Data. Recorded snowfall depths at Logan Airport January 2015.