Of the Wissenschaftslehre we have, in 1812-1813, four separate treatments contained in the Nachgel.
We hear of treatments that work some percent of the time or we hear phrases like, "They are not responding to treatment."
One of the most thorough of conservative treatments is the Commentary on Jude and Second Peter by J.
Many of the treatments of the ancient world had high degrees of efficacy, all obtained without access to any modern knowledge or equipment.
Thomas Garway, the first English tea dealer, and founder of the well-known coffee-house, "Garraway's," in a curious broadsheet, An Exact Description of the Growth, Quality and Virtues of the Leaf Tea, issued in 1659 or 1660, writes, "in respect of its scarceness and dearness, it hath been only used as a regalia in high treatments and entertainments, and presents made thereof to princes and grandees."