Not relevant to the project but I usually check for earlier versions of the paywalled pages in the wayback machine (~75% success). I felt bad using these services (paywall removers), and just feeling a bit better checking in archive.org.
25 karma · joined August 24, 2013
https://www.figma.com/file/6rFlomXiaKyE4pVQ9O7Qod/engineerin...
http://www.vipassana.com/meditation/mindfulness_in_plain_eng...
shameless plug, I made an ebook from the online texts
https://github.com/szaboat/ebook-mindfulness-in-plain-englis...