Spanking magazines are pornographic magazines devoted to the subject of erotic spanking. They are available in many countries, but can be found in particular in the United Kingdom, where for many years they were an underground phenomenon.
... Pädagogik als System (1848)
Aesthetik des Hässlichen (1853)
Die Poesie and ihre Geschichte (1885)
Studien (1839-47)
Neue Studien (1875-78).
He published ...