Québec
https://dusoleil.leslibraires.ca/livres/les-corbin-de-dumontel-helene-lefebvre-9782897751838.html
https://www.librairiemartin.com/liste-produits?search=les%20corbin%20de%20dumontel&webarea=-1&description=&code=les%20corbin%20de%20dumontel&author=les%20corbin%20de%20dumontel&editor=les%20corbin%20de%20dumontel&collection=les%20corbin%20de%20dumontel&format=les%20corbin%20de%20dumontel&category=les%20corbin%20de%20dumontel&advanced=0
https://leseditionsdelapotheose.com/boutique/les-editions-de-lapotheose/methode-de-guerisons-spirituelles-helene-lefebvre/
Europe et Afrique
https://www.mollat.com/Recherche?requete=H%C3%A9l%C3%A8ne%20Lefebvre
https://www.mollat.com/Recherche/Serie/1-99472/les-corbin-de-dumontel
https://www.amazon.fr/s/ref=nb_sb_noss_2?__mk_fr_FR=%C3%85M%C3%85%C5%BD%C3%95%C3%91&url=search-alias%3Dstripbooks&field-keywords=les+corbin+de+dumontel
https://www.fnac.com/SearchResult/ResultList.aspx?SCat=0%211&Search=methodes+de+guerisons+spirituelles+helene+lefebvre&sft=1&sa=0&fbclid=IwAR3PjZqxg8_ENx_wTYM7YbkeZuka0aknhIKqGHUL_ELcFMpSlzR7g1ASYDk
https://www.fnac.com/SearchResult/ResultList.aspx?SCat=0%211&Search=les+corbin+de+dumontel&sft=1&sa=0&fbclid=IwAR1fHBKDyilvNJMI7C_e31X4q3h0C1lqPWAmDzxg8FrF5jOJEZi3luLKYHw