Year Book Volume 20

The book has no illustrations or index. It may have numerous typos or missing text. However, purchasers can download a free scanned copy of the original rare book from the publisher's website (GeneralBooksClub.com). You can also preview excerpts of the book there. Purchasers are also entitled to a free trial membership in the General Books Club where they can select from more than a million books without charge. Volume: 20; Original Publisher: Carnegie Institution of Washington; Publication date: 1922; Description: "List of the names of persons engaged in the various activities": v. 10, p. 243-257.; Subjects: Research; Science; Education / Teaching Methods