https://fetlife.com/groups/1809/group_posts/1726139 The BDSM Symbol
https://fetlife.com/groups/1809/group_posts/597603 Joseph Bean on "Power Exchange"
https://fetlife.com/groups/1809/group_posts/141299 BDSM acronym origin
https://fetlife.com/groups/1809/group_posts/1264999 BDSM Acronym?
https://fetlife.com/groups/1809/group_posts/1338258 The origin of "B&D" or BD or Bondage and Discipline
https://fetlife.com/groups/1809/group_posts/441436 "Leather" vs. "BDSM"
https://fetlife.com/groups/1809/group_posts/103410 Mothers of Modern D/s 1979-90s
https://fetlife.com/groups/1809/group_posts/435501 The origins of the terms D/s and Power Exchange and the group "People Exchanging Power"