@misc{private-insurances-and-welfare-associations,
  title   = {Private Insurances and Welfare Associations},
  author  = {Leimgruber, Matthieu},
  year    = {2014},
  month   = {jun},
  url     = {https://www.historyofsocialsecurity.ch/articles/institutions/history-of-social-security-insurance-funds/private-insurances-and-welfare-associations}
}