ASIN B00086XXU0; Reprinted in 2004 by Kessinger Publishing; ISBN 1-4179-1676-1; ISBN 978-1-4179-1676-4 Scanned book, Project Gutenberg Full Text* "Curiosities of Science".
ASIN B00086XXU0; Reprinted in 2004 by Kessinger Publishing; ISBN 1-4179-1676-1; ISBN 978-1-4179-1676-4 электронный вариант, на проекте Гутенберг* "Curiosities of Science".