Project Shift is one of the foremost resources on therianthropy, and often is considered one of the go-to sources for a newcomer to the therian community. While the section of essays is relatively limited, they are some of the better ones out there.
Akhila's site. Houses links, essays relating to experiences as a trans* individual and a clouded leopard/raven therian. Also he was kind enough to translate "A Skeptic's Guide to Therianthropy" into Frence.