There are many options for books on ontological arguments at Amazon, including The Many-Faced Argument: Recent Studies on the Ontological Argument for the Existence of God. Barnes and Noble and Borders also offer a selection.

deductive

The ontological argument of the exsitance of god is supported by abrahmic religions. It is not widely practiced in the current day.

R. T. Allen has written:

'The necessity of God' -- subject(s): God, Ontological Proof, Proof, Ontological

Kate Davy has written:

'Richard Foreman and the Ontological-Hysteric Theatre' -- subject(s): Ontological-Hysteric Theatre, Stage history