- emberint.ru articles/mama_terapiya/
- ancestors.familysearch.org en/LT32-MVB/борис-…
- myheritage.com names/boris_drapkinБорис passed away on month day 2006, at age 78 in death place.
- 7ya.ru article/Lechenie-materinskoj-lyubovyu/
- pomnim-skorbim.ru grave.php?pid=3087
- sprosivracha.com questions/1364007-terapiya-…
- rakus.info metod-psihoterapii-materinskoj-…