Upaya "Skillful means" https://en.wikipedia.org/wiki/Upaya 

Five precepts https://en.wikipedia.org/wiki/Five_precepts#Principles

Eight precepts for laypeople https://www.accesstoinsight.org/ptf/dhamma/sila/atthasila.html

Vinaya Texts (Rhys Davids/Oldenberg) http://www.sacred-texts.com/bud/sbe13/index.htm

Mantak Chia (Taoist) -- Cultivating Male Sexual Energy http://krishnamurti.abundanthope.org/index_htm_files/Taoist-Secrets-of-Love-Cultivating-Male-Sexual-Energy.pdf

Pranayama and Sexual Transmutation http://chicagognosis.org/transcriptions/pranayama-and-sexual-transmutation

Bliss, Clarity and Non-thought https://www.rigpawiki.org/index.php?title=Three_experiences

Ten Non-Virtuous Actions http://buddhist-spirituality.com/wp-content/uploads/2014/03/TenNonVirtuousActions.pdf