A doubter's doubts about science and religion,

Mode of access: Internet.

The anatomy of negation.

Bibliography: recto of last page.

The eclipse of faith : or, A visit to a religious sceptic.

Mode of access: Internet.

Introduzione alla scepsi etica.

Mode of access: Internet.

An exposition of modern scepticism, in a letter, addressed to the editors of the Free Enquirer. ...

Note to the reader on verso of title page, dated 1829.

The miracles of unbelief /

Includes index.

The five great skeptical dramas of history,

The Prometheus vinctus of Aeschylus.--The book of Job.--Goethe's Faust.--Shakespeare's Hamlet.--"El magico prodigioso."