Here is an advertisement for a textbook about dreams.

Please note that the author has chosen Anonymous for her last name.

Choosing to remain anonymous is the tradition among practitioners.

It has always been this way. Convenience practitioners do not claim to be originators of knowledge or wisdom.

They see themselves as conduits.

Source text: Preservation of the teeth indispensable to comfort and appearance, health and longevity by  Gray, John, Publication date 1840.