In the Introduction a previous publisher states, We believe this work to be the most complete, honest and best documented work available on this subject.

Reprint of the original, first published in 1881.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

"The character of this work, so far as it consists of extracts from the writings of others, will be seen from the following letter from one who is well known in the literary world, and who himself maintained a discussion with Mr. Spencer, ...

This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations.