Some of the material published to date is available below.

He has also published material for inclusion in a number of books.

This material was published after the conclusion of the board's activities in 1836.

While popular, they included a great deal of material previously published in the main magazine.

Contact with books and other printed material published in an earlier age is also important.

Its materials are published in many languages throughout the world.

The materials had been published in the late 1980s with no appropriate reference to the author.

Later, in 2006, they started to publish new material on its own website about several issues.

The material was later adapted and published as a book by the same title.

It went to news organizations last week with the understanding that the material would not be published until Monday.