From the National Fire Protection Association: 

"For most people, their family and their home represent the hard work of a lifetime and their hopes for the future.  No one would risk losing what's most important to them if they understood the dangers of fireworks." 

(http://www.nfpa.org/safety-information/for-consumers/holidays/fireworks/legal-or-not-fireworks-are-too-risky-for-amateurs)

From Pediatrics: Journal of the American Academy of Pediatrics:

"Every type of legally available consumer (so-called “safe and sane”) firework has been associated with serious injury or death."

(http://pediatrics.aappublications.org/content/108/1/190.abstract)

From "Fireworks-Related Injuries to Children," Pediatrics - Journal of the American Academy of Pediatrics: 

"Approximately one third of eye injuries from fireworks result in permanent blindness."

(http://pediatrics.aappublications.org/content/108/1/190.full)

From the National Fire Protection Association:

"Fireworks can result in severe burns, fractures, or scars or even death or disfigurement that can last a lifetime."

"On Independence Day in a typical year, far more U.S. fires are reported than on any other day, and fireworks account for two out of five of those fires, more than any other cause of fires."

(http://www.nfpa.org/safety-information/for-consumers/holidays/fireworks/legal-or-not-fireworks-are-too-risky-for-amateurs)

(http://www.nfpa.org/safety-information/for-consumers/holidays/fireworks)

From Fireworks a June 2013 report by the NFPA's Fire Analysis and Research Division: 

"In 2011, eight out of nine (89%) emergency room fireworks injuries involved fireworks that Federal regulations permit consumers to use. Sparklers, fountains, and novelties alone accounted for one-third (34%) of emergency room fireworks injuries."

(http://www.nfpa.org/research/reports-and-statistics/fire-causes/fireworks)

From U.S. Center for Disease Control: 

"The estimated annual cost of fireworks-related injuries is $100 million." 

(http://www.cdc.gov/mmwr/preview/mmwrhtml/mm4924a7.htm)

Anaheim Voters Stance on Prohibiting Fireworks:

Proponents of Measure E have wrongly stated the city's ban on fireworks was narrowly passed.  According to Anaheim records, our city's ban on fireworks was passed by a margin of more than 19%:

Yes on Prohibiting Fireworks: 31,268 (59.8%)

No on Prohibiting Fireworks: 20,995 (40.1%)

(http://records.anaheim.net/CityClerk/DocView.aspx?id=50521&page=5&dbid=0)