California Department of Public Health; California Department of Industrial Relations (December 2009). "Sewing Machine Operators: Feel Better! Work Better!"(PDF). California Department of Public Health. Jane Norling, designer. Archived from the original(PDF) on 2017-01-28. Retrieved 2017-03-20.
California Department of Health Services; California Department of Industrial Relations (October 2006). "Grocery Cashiers: Serving Customers Shouldn't Hurt You"(PDF). California Department of Public Health. Archived from the original(PDF) on January 26, 2017. Retrieved March 22, 2016.
California Department of Health Services; OCCUPATIONAL LEAD POISONING PREVENTION PROGRAM (January 2001). "How to Use Half-Mask Respirators to Prevent Lead Poisoning"(PDF). California Department of Public Health. Archived from the original(PDF) on February 15, 2017. Retrieved March 22, 2017.
collection-politicalgraphics.org
Center for the Study of Political Graphics. "INTERNATIONAL WOMEN'S DAY". Center for the Study of Political Graphics Online Collection. Archived from the original on March 20, 2017. Retrieved 2017-03-19.
Center for the Study of Political Graphics. "INTERNATIONAL WOMEN'S DAY". Center for the Study of Political Graphics Online Collection. Archived from the original on March 20, 2017. Retrieved 2017-03-19.
California Department of Public Health; California Department of Industrial Relations (December 2009). "Sewing Machine Operators: Feel Better! Work Better!"(PDF). California Department of Public Health. Jane Norling, designer. Archived from the original(PDF) on 2017-01-28. Retrieved 2017-03-20.
California Department of Health Services; California Department of Industrial Relations (October 2006). "Grocery Cashiers: Serving Customers Shouldn't Hurt You"(PDF). California Department of Public Health. Archived from the original(PDF) on January 26, 2017. Retrieved March 22, 2016.
California Department of Health Services; OCCUPATIONAL LEAD POISONING PREVENTION PROGRAM (January 2001). "How to Use Half-Mask Respirators to Prevent Lead Poisoning"(PDF). California Department of Public Health. Archived from the original(PDF) on February 15, 2017. Retrieved March 22, 2017.