This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.
With some trifling exceptions, such as the suppression of the preface to the last edition, which referred to matters of only passing interest, it is textually the same as the last. -- Preface to the 4th edition.
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.
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 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.